Termination w.r.t. Q proof of TRS/TRCSREx3_3_25_Bor03

Termination w.r.t. Q of the following Term Rewriting System could be proven:

Q restricted rewrite system:
The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.

↳ QTRS

  ↳ DependencyPairsProof

Q restricted rewrite system:
The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.

Using Dependency Pairs [1,13] we result in the following initial DP problem:
Q DP problem:
The TRS P consists of the following rules:

ACTIVE₁(zWadr₂(X1, X2)) -> ACTIVE₁(X1)
ACTIVE₁(from₁(X)) -> FROM₁(s₁(X))
PROPER₁(from₁(X)) -> FROM₁(proper₁(X))
ACTIVE₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> CONS₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS))
ACTIVE₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> APP₂(Y, cons₂(X, nil))
ACTIVE₁(from₁(X)) -> FROM₁(active₁(X))
S₁(mark₁(X)) -> S₁(X)
PROPER₁(prefix₁(X)) -> PREFIX₁(proper₁(X))
TOP₁(mark₁(X)) -> TOP₁(proper₁(X))
PROPER₁(app₂(X1, X2)) -> APP₂(proper₁(X1), proper₁(X2))
ZWADR₂(X1, mark₁(X2)) -> ZWADR₂(X1, X2)
ACTIVE₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> ZWADR₂(XS, YS)
PROPER₁(zWadr₂(X1, X2)) -> ZWADR₂(proper₁(X1), proper₁(X2))
ACTIVE₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> CONS₂(X, nil)
ZWADR₂(mark₁(X1), X2) -> ZWADR₂(X1, X2)
PROPER₁(zWadr₂(X1, X2)) -> PROPER₁(X2)
ACTIVE₁(zWadr₂(X1, X2)) -> ZWADR₂(active₁(X1), X2)
ACTIVE₁(app₂(X1, X2)) -> APP₂(X1, active₁(X2))
ACTIVE₁(prefix₁(L)) -> ZWADR₂(L, prefix₁(L))
FROM₁(mark₁(X)) -> FROM₁(X)
PREFIX₁(mark₁(X)) -> PREFIX₁(X)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X1)
ACTIVE₁(app₂(X1, X2)) -> APP₂(active₁(X1), X2)
APP₂(ok₁(X1), ok₁(X2)) -> APP₂(X1, X2)
ACTIVE₁(zWadr₂(X1, X2)) -> ACTIVE₁(X2)
PROPER₁(app₂(X1, X2)) -> PROPER₁(X2)
TOP₁(ok₁(X)) -> ACTIVE₁(X)
APP₂(mark₁(X1), X2) -> APP₂(X1, X2)
ACTIVE₁(s₁(X)) -> S₁(active₁(X))
ACTIVE₁(app₂(cons₂(X, XS), YS)) -> CONS₂(X, app₂(XS, YS))
PROPER₁(app₂(X1, X2)) -> PROPER₁(X1)
ACTIVE₁(app₂(X1, X2)) -> ACTIVE₁(X2)
PROPER₁(s₁(X)) -> PROPER₁(X)
TOP₁(mark₁(X)) -> PROPER₁(X)
APP₂(X1, mark₁(X2)) -> APP₂(X1, X2)
ACTIVE₁(prefix₁(L)) -> CONS₂(nil, zWadr₂(L, prefix₁(L)))
PROPER₁(zWadr₂(X1, X2)) -> PROPER₁(X1)
ZWADR₂(ok₁(X1), ok₁(X2)) -> ZWADR₂(X1, X2)
ACTIVE₁(zWadr₂(X1, X2)) -> ZWADR₂(X1, active₁(X2))
PROPER₁(s₁(X)) -> S₁(proper₁(X))
S₁(ok₁(X)) -> S₁(X)
ACTIVE₁(s₁(X)) -> ACTIVE₁(X)
ACTIVE₁(from₁(X)) -> CONS₂(X, from₁(s₁(X)))
CONS₂(mark₁(X1), X2) -> CONS₂(X1, X2)
ACTIVE₁(cons₂(X1, X2)) -> CONS₂(active₁(X1), X2)
ACTIVE₁(cons₂(X1, X2)) -> ACTIVE₁(X1)
ACTIVE₁(prefix₁(X)) -> PREFIX₁(active₁(X))
PROPER₁(prefix₁(X)) -> PROPER₁(X)
ACTIVE₁(from₁(X)) -> S₁(X)
ACTIVE₁(prefix₁(X)) -> ACTIVE₁(X)
PROPER₁(cons₂(X1, X2)) -> CONS₂(proper₁(X1), proper₁(X2))
TOP₁(ok₁(X)) -> TOP₁(active₁(X))
PROPER₁(from₁(X)) -> PROPER₁(X)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X2)
PREFIX₁(ok₁(X)) -> PREFIX₁(X)
CONS₂(ok₁(X1), ok₁(X2)) -> CONS₂(X1, X2)
ACTIVE₁(from₁(X)) -> ACTIVE₁(X)
FROM₁(ok₁(X)) -> FROM₁(X)
ACTIVE₁(app₂(cons₂(X, XS), YS)) -> APP₂(XS, YS)
ACTIVE₁(app₂(X1, X2)) -> ACTIVE₁(X1)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

Q DP problem:
The TRS P consists of the following rules:

ACTIVE₁(zWadr₂(X1, X2)) -> ACTIVE₁(X1)
ACTIVE₁(from₁(X)) -> FROM₁(s₁(X))
PROPER₁(from₁(X)) -> FROM₁(proper₁(X))
ACTIVE₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> CONS₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS))
ACTIVE₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> APP₂(Y, cons₂(X, nil))
ACTIVE₁(from₁(X)) -> FROM₁(active₁(X))
S₁(mark₁(X)) -> S₁(X)
PROPER₁(prefix₁(X)) -> PREFIX₁(proper₁(X))
TOP₁(mark₁(X)) -> TOP₁(proper₁(X))
PROPER₁(app₂(X1, X2)) -> APP₂(proper₁(X1), proper₁(X2))
ZWADR₂(X1, mark₁(X2)) -> ZWADR₂(X1, X2)
ACTIVE₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> ZWADR₂(XS, YS)
PROPER₁(zWadr₂(X1, X2)) -> ZWADR₂(proper₁(X1), proper₁(X2))
ACTIVE₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> CONS₂(X, nil)
ZWADR₂(mark₁(X1), X2) -> ZWADR₂(X1, X2)
PROPER₁(zWadr₂(X1, X2)) -> PROPER₁(X2)
ACTIVE₁(zWadr₂(X1, X2)) -> ZWADR₂(active₁(X1), X2)
ACTIVE₁(app₂(X1, X2)) -> APP₂(X1, active₁(X2))
ACTIVE₁(prefix₁(L)) -> ZWADR₂(L, prefix₁(L))
FROM₁(mark₁(X)) -> FROM₁(X)
PREFIX₁(mark₁(X)) -> PREFIX₁(X)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X1)
ACTIVE₁(app₂(X1, X2)) -> APP₂(active₁(X1), X2)
APP₂(ok₁(X1), ok₁(X2)) -> APP₂(X1, X2)
ACTIVE₁(zWadr₂(X1, X2)) -> ACTIVE₁(X2)
PROPER₁(app₂(X1, X2)) -> PROPER₁(X2)
TOP₁(ok₁(X)) -> ACTIVE₁(X)
APP₂(mark₁(X1), X2) -> APP₂(X1, X2)
ACTIVE₁(s₁(X)) -> S₁(active₁(X))
ACTIVE₁(app₂(cons₂(X, XS), YS)) -> CONS₂(X, app₂(XS, YS))
PROPER₁(app₂(X1, X2)) -> PROPER₁(X1)
ACTIVE₁(app₂(X1, X2)) -> ACTIVE₁(X2)
PROPER₁(s₁(X)) -> PROPER₁(X)
TOP₁(mark₁(X)) -> PROPER₁(X)
APP₂(X1, mark₁(X2)) -> APP₂(X1, X2)
ACTIVE₁(prefix₁(L)) -> CONS₂(nil, zWadr₂(L, prefix₁(L)))
PROPER₁(zWadr₂(X1, X2)) -> PROPER₁(X1)
ZWADR₂(ok₁(X1), ok₁(X2)) -> ZWADR₂(X1, X2)
ACTIVE₁(zWadr₂(X1, X2)) -> ZWADR₂(X1, active₁(X2))
PROPER₁(s₁(X)) -> S₁(proper₁(X))
S₁(ok₁(X)) -> S₁(X)
ACTIVE₁(s₁(X)) -> ACTIVE₁(X)
ACTIVE₁(from₁(X)) -> CONS₂(X, from₁(s₁(X)))
CONS₂(mark₁(X1), X2) -> CONS₂(X1, X2)
ACTIVE₁(cons₂(X1, X2)) -> CONS₂(active₁(X1), X2)
ACTIVE₁(cons₂(X1, X2)) -> ACTIVE₁(X1)
ACTIVE₁(prefix₁(X)) -> PREFIX₁(active₁(X))
PROPER₁(prefix₁(X)) -> PROPER₁(X)
ACTIVE₁(from₁(X)) -> S₁(X)
ACTIVE₁(prefix₁(X)) -> ACTIVE₁(X)
PROPER₁(cons₂(X1, X2)) -> CONS₂(proper₁(X1), proper₁(X2))
TOP₁(ok₁(X)) -> TOP₁(active₁(X))
PROPER₁(from₁(X)) -> PROPER₁(X)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X2)
PREFIX₁(ok₁(X)) -> PREFIX₁(X)
CONS₂(ok₁(X1), ok₁(X2)) -> CONS₂(X1, X2)
ACTIVE₁(from₁(X)) -> ACTIVE₁(X)
FROM₁(ok₁(X)) -> FROM₁(X)
ACTIVE₁(app₂(cons₂(X, XS), YS)) -> APP₂(XS, YS)
ACTIVE₁(app₂(X1, X2)) -> ACTIVE₁(X1)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The approximation of the Dependency Graph [13,14,18] contains 9 SCCs with 27 less nodes.

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

            ↳ QDPOrderProof

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

PREFIX₁(mark₁(X)) -> PREFIX₁(X)
PREFIX₁(ok₁(X)) -> PREFIX₁(X)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

PREFIX₁(mark₁(X)) -> PREFIX₁(X)

The remaining pairs can at least be oriented weakly.

PREFIX₁(ok₁(X)) -> PREFIX₁(X)

Used ordering: Polynomial interpretation [21]:

POL(PREFIX₁(x₁)) = x₁
POL(mark₁(x₁)) = 1 + 2·x₁
POL(ok₁(x₁)) = x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

PREFIX₁(ok₁(X)) -> PREFIX₁(X)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

PREFIX₁(ok₁(X)) -> PREFIX₁(X)

The remaining pairs can at least be oriented weakly.
none
Used ordering: Polynomial interpretation [21]:

POL(PREFIX₁(x₁)) = 2·x₁
POL(ok₁(x₁)) = 1 + 2·x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

                  ↳ QDP

                    ↳ PisEmptyProof

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

Q DP problem:
P is empty.
The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The TRS P is empty. Hence, there is no (P,Q,R) chain.

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

ZWADR₂(mark₁(X1), X2) -> ZWADR₂(X1, X2)
ZWADR₂(ok₁(X1), ok₁(X2)) -> ZWADR₂(X1, X2)
ZWADR₂(X1, mark₁(X2)) -> ZWADR₂(X1, X2)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

ZWADR₂(mark₁(X1), X2) -> ZWADR₂(X1, X2)

The remaining pairs can at least be oriented weakly.

ZWADR₂(ok₁(X1), ok₁(X2)) -> ZWADR₂(X1, X2)
ZWADR₂(X1, mark₁(X2)) -> ZWADR₂(X1, X2)

Used ordering: Polynomial interpretation [21]:

POL(ZWADR₂(x₁, x₂)) = x₁
POL(mark₁(x₁)) = 1 + 2·x₁
POL(ok₁(x₁)) = x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

ZWADR₂(ok₁(X1), ok₁(X2)) -> ZWADR₂(X1, X2)
ZWADR₂(X1, mark₁(X2)) -> ZWADR₂(X1, X2)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

ZWADR₂(ok₁(X1), ok₁(X2)) -> ZWADR₂(X1, X2)

The remaining pairs can at least be oriented weakly.

ZWADR₂(X1, mark₁(X2)) -> ZWADR₂(X1, X2)

Used ordering: Polynomial interpretation [21]:

POL(ZWADR₂(x₁, x₂)) = x₁
POL(mark₁(x₁)) = 0
POL(ok₁(x₁)) = 1 + 2·x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

                  ↳ QDP

                    ↳ QDPOrderProof

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

ZWADR₂(X1, mark₁(X2)) -> ZWADR₂(X1, X2)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

ZWADR₂(X1, mark₁(X2)) -> ZWADR₂(X1, X2)

The remaining pairs can at least be oriented weakly.
none
Used ordering: Polynomial interpretation [21]:

POL(ZWADR₂(x₁, x₂)) = 2·x₂
POL(mark₁(x₁)) = 1 + 2·x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

                  ↳ QDP

                    ↳ QDPOrderProof

                      ↳ QDP

                        ↳ PisEmptyProof

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

Q DP problem:
P is empty.
The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The TRS P is empty. Hence, there is no (P,Q,R) chain.

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

S₁(ok₁(X)) -> S₁(X)
S₁(mark₁(X)) -> S₁(X)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

S₁(ok₁(X)) -> S₁(X)

The remaining pairs can at least be oriented weakly.

S₁(mark₁(X)) -> S₁(X)

Used ordering: Polynomial interpretation [21]:

POL(S₁(x₁)) = x₁
POL(mark₁(x₁)) = x₁
POL(ok₁(x₁)) = 1 + 2·x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

S₁(mark₁(X)) -> S₁(X)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

S₁(mark₁(X)) -> S₁(X)

The remaining pairs can at least be oriented weakly.
none
Used ordering: Polynomial interpretation [21]:

POL(S₁(x₁)) = 2·x₁
POL(mark₁(x₁)) = 1 + 2·x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

                  ↳ QDP

                    ↳ PisEmptyProof

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

Q DP problem:
P is empty.
The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The TRS P is empty. Hence, there is no (P,Q,R) chain.

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

FROM₁(mark₁(X)) -> FROM₁(X)
FROM₁(ok₁(X)) -> FROM₁(X)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

FROM₁(mark₁(X)) -> FROM₁(X)

The remaining pairs can at least be oriented weakly.

FROM₁(ok₁(X)) -> FROM₁(X)

Used ordering: Polynomial interpretation [21]:

POL(FROM₁(x₁)) = x₁
POL(mark₁(x₁)) = 1 + 2·x₁
POL(ok₁(x₁)) = x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

FROM₁(ok₁(X)) -> FROM₁(X)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

FROM₁(ok₁(X)) -> FROM₁(X)

The remaining pairs can at least be oriented weakly.
none
Used ordering: Polynomial interpretation [21]:

POL(FROM₁(x₁)) = 2·x₁
POL(ok₁(x₁)) = 1 + 2·x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

                  ↳ QDP

                    ↳ PisEmptyProof

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

Q DP problem:
P is empty.
The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The TRS P is empty. Hence, there is no (P,Q,R) chain.

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

CONS₂(mark₁(X1), X2) -> CONS₂(X1, X2)
CONS₂(ok₁(X1), ok₁(X2)) -> CONS₂(X1, X2)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

CONS₂(mark₁(X1), X2) -> CONS₂(X1, X2)

The remaining pairs can at least be oriented weakly.

CONS₂(ok₁(X1), ok₁(X2)) -> CONS₂(X1, X2)

Used ordering: Polynomial interpretation [21]:

POL(CONS₂(x₁, x₂)) = x₁ + 2·x₂
POL(mark₁(x₁)) = 1 + 2·x₁
POL(ok₁(x₁)) = x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

CONS₂(ok₁(X1), ok₁(X2)) -> CONS₂(X1, X2)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

CONS₂(ok₁(X1), ok₁(X2)) -> CONS₂(X1, X2)

The remaining pairs can at least be oriented weakly.
none
Used ordering: Polynomial interpretation [21]:

POL(CONS₂(x₁, x₂)) = 2·x₁ + 2·x₂
POL(ok₁(x₁)) = 2 + x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

                  ↳ QDP

                    ↳ PisEmptyProof

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

Q DP problem:
P is empty.
The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The TRS P is empty. Hence, there is no (P,Q,R) chain.

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

          ↳ QDP

          ↳ QDP

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

APP₂(mark₁(X1), X2) -> APP₂(X1, X2)
APP₂(X1, mark₁(X2)) -> APP₂(X1, X2)
APP₂(ok₁(X1), ok₁(X2)) -> APP₂(X1, X2)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

APP₂(mark₁(X1), X2) -> APP₂(X1, X2)

The remaining pairs can at least be oriented weakly.

APP₂(X1, mark₁(X2)) -> APP₂(X1, X2)
APP₂(ok₁(X1), ok₁(X2)) -> APP₂(X1, X2)

Used ordering: Polynomial interpretation [21]:

POL(APP₂(x₁, x₂)) = x₁
POL(mark₁(x₁)) = 1 + 2·x₁
POL(ok₁(x₁)) = x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

          ↳ QDP

          ↳ QDP

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

APP₂(X1, mark₁(X2)) -> APP₂(X1, X2)
APP₂(ok₁(X1), ok₁(X2)) -> APP₂(X1, X2)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

APP₂(X1, mark₁(X2)) -> APP₂(X1, X2)

The remaining pairs can at least be oriented weakly.

APP₂(ok₁(X1), ok₁(X2)) -> APP₂(X1, X2)

Used ordering: Polynomial interpretation [21]:

POL(APP₂(x₁, x₂)) = 2·x₁ + x₂
POL(mark₁(x₁)) = 1 + 2·x₁
POL(ok₁(x₁)) = x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

                  ↳ QDP

                    ↳ QDPOrderProof

          ↳ QDP

          ↳ QDP

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

APP₂(ok₁(X1), ok₁(X2)) -> APP₂(X1, X2)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

APP₂(ok₁(X1), ok₁(X2)) -> APP₂(X1, X2)

The remaining pairs can at least be oriented weakly.
none
Used ordering: Polynomial interpretation [21]:

POL(APP₂(x₁, x₂)) = 2·x₁ + 2·x₂
POL(ok₁(x₁)) = 2 + x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

                  ↳ QDP

                    ↳ QDPOrderProof

                      ↳ QDP

                        ↳ PisEmptyProof

          ↳ QDP

          ↳ QDP

          ↳ QDP

Q DP problem:
P is empty.
The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The TRS P is empty. Hence, there is no (P,Q,R) chain.

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

          ↳ QDP

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

PROPER₁(prefix₁(X)) -> PROPER₁(X)
PROPER₁(zWadr₂(X1, X2)) -> PROPER₁(X2)
PROPER₁(app₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(s₁(X)) -> PROPER₁(X)
PROPER₁(zWadr₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(from₁(X)) -> PROPER₁(X)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X2)
PROPER₁(app₂(X1, X2)) -> PROPER₁(X2)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

PROPER₁(prefix₁(X)) -> PROPER₁(X)

The remaining pairs can at least be oriented weakly.

PROPER₁(zWadr₂(X1, X2)) -> PROPER₁(X2)
PROPER₁(app₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(s₁(X)) -> PROPER₁(X)
PROPER₁(zWadr₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(from₁(X)) -> PROPER₁(X)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X2)
PROPER₁(app₂(X1, X2)) -> PROPER₁(X2)

Used ordering: Polynomial interpretation [21]:

POL(PROPER₁(x₁)) = x₁
POL(app₂(x₁, x₂)) = x₁ + x₂
POL(cons₂(x₁, x₂)) = x₁ + x₂
POL(from₁(x₁)) = x₁
POL(prefix₁(x₁)) = 1 + 2·x₁
POL(s₁(x₁)) = x₁
POL(zWadr₂(x₁, x₂)) = x₁ + x₂

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

          ↳ QDP

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

PROPER₁(zWadr₂(X1, X2)) -> PROPER₁(X2)
PROPER₁(app₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(s₁(X)) -> PROPER₁(X)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(from₁(X)) -> PROPER₁(X)
PROPER₁(zWadr₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X2)
PROPER₁(app₂(X1, X2)) -> PROPER₁(X2)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

PROPER₁(zWadr₂(X1, X2)) -> PROPER₁(X2)
PROPER₁(zWadr₂(X1, X2)) -> PROPER₁(X1)

The remaining pairs can at least be oriented weakly.

PROPER₁(app₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(s₁(X)) -> PROPER₁(X)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(from₁(X)) -> PROPER₁(X)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X2)
PROPER₁(app₂(X1, X2)) -> PROPER₁(X2)

Used ordering: Polynomial interpretation [21]:

POL(PROPER₁(x₁)) = x₁
POL(app₂(x₁, x₂)) = x₁ + x₂
POL(cons₂(x₁, x₂)) = x₁ + x₂
POL(from₁(x₁)) = x₁
POL(s₁(x₁)) = x₁
POL(zWadr₂(x₁, x₂)) = 1 + x₁ + 2·x₂

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

                  ↳ QDP

                    ↳ QDPOrderProof

          ↳ QDP

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

PROPER₁(app₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(s₁(X)) -> PROPER₁(X)
PROPER₁(from₁(X)) -> PROPER₁(X)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X2)
PROPER₁(app₂(X1, X2)) -> PROPER₁(X2)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

PROPER₁(app₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(app₂(X1, X2)) -> PROPER₁(X2)

The remaining pairs can at least be oriented weakly.

PROPER₁(s₁(X)) -> PROPER₁(X)
PROPER₁(from₁(X)) -> PROPER₁(X)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X2)

Used ordering: Polynomial interpretation [21]:

POL(PROPER₁(x₁)) = x₁
POL(app₂(x₁, x₂)) = 1 + 2·x₁ + x₂
POL(cons₂(x₁, x₂)) = x₁ + x₂
POL(from₁(x₁)) = x₁
POL(s₁(x₁)) = x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

                  ↳ QDP

                    ↳ QDPOrderProof

                      ↳ QDP

                        ↳ QDPOrderProof

          ↳ QDP

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

PROPER₁(s₁(X)) -> PROPER₁(X)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(from₁(X)) -> PROPER₁(X)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X2)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

PROPER₁(s₁(X)) -> PROPER₁(X)

The remaining pairs can at least be oriented weakly.

PROPER₁(cons₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(from₁(X)) -> PROPER₁(X)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X2)

Used ordering: Polynomial interpretation [21]:

POL(PROPER₁(x₁)) = x₁
POL(cons₂(x₁, x₂)) = x₁ + x₂
POL(from₁(x₁)) = x₁
POL(s₁(x₁)) = 1 + 2·x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

                  ↳ QDP

                    ↳ QDPOrderProof

                      ↳ QDP

                        ↳ QDPOrderProof

                          ↳ QDP

                            ↳ QDPOrderProof

          ↳ QDP

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

PROPER₁(from₁(X)) -> PROPER₁(X)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X2)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

PROPER₁(from₁(X)) -> PROPER₁(X)

The remaining pairs can at least be oriented weakly.

PROPER₁(cons₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X2)

Used ordering: Polynomial interpretation [21]:

POL(PROPER₁(x₁)) = x₁
POL(cons₂(x₁, x₂)) = x₁ + x₂
POL(from₁(x₁)) = 1 + 2·x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

                  ↳ QDP

                    ↳ QDPOrderProof

                      ↳ QDP

                        ↳ QDPOrderProof

                          ↳ QDP

                            ↳ QDPOrderProof

                              ↳ QDP

                                ↳ QDPOrderProof

          ↳ QDP

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

PROPER₁(cons₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X2)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

PROPER₁(cons₂(X1, X2)) -> PROPER₁(X1)
PROPER₁(cons₂(X1, X2)) -> PROPER₁(X2)

The remaining pairs can at least be oriented weakly.
none
Used ordering: Polynomial interpretation [21]:

POL(PROPER₁(x₁)) = 2·x₁
POL(cons₂(x₁, x₂)) = 1 + 2·x₁ + x₂

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

                  ↳ QDP

                    ↳ QDPOrderProof

                      ↳ QDP

                        ↳ QDPOrderProof

                          ↳ QDP

                            ↳ QDPOrderProof

                              ↳ QDP

                                ↳ QDPOrderProof

                                  ↳ QDP

                                    ↳ PisEmptyProof

          ↳ QDP

          ↳ QDP

Q DP problem:
P is empty.
The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The TRS P is empty. Hence, there is no (P,Q,R) chain.

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

ACTIVE₁(zWadr₂(X1, X2)) -> ACTIVE₁(X1)
ACTIVE₁(prefix₁(X)) -> ACTIVE₁(X)
ACTIVE₁(cons₂(X1, X2)) -> ACTIVE₁(X1)
ACTIVE₁(app₂(X1, X2)) -> ACTIVE₁(X2)
ACTIVE₁(from₁(X)) -> ACTIVE₁(X)
ACTIVE₁(zWadr₂(X1, X2)) -> ACTIVE₁(X2)
ACTIVE₁(s₁(X)) -> ACTIVE₁(X)
ACTIVE₁(app₂(X1, X2)) -> ACTIVE₁(X1)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

ACTIVE₁(zWadr₂(X1, X2)) -> ACTIVE₁(X1)
ACTIVE₁(zWadr₂(X1, X2)) -> ACTIVE₁(X2)

The remaining pairs can at least be oriented weakly.

ACTIVE₁(prefix₁(X)) -> ACTIVE₁(X)
ACTIVE₁(cons₂(X1, X2)) -> ACTIVE₁(X1)
ACTIVE₁(app₂(X1, X2)) -> ACTIVE₁(X2)
ACTIVE₁(from₁(X)) -> ACTIVE₁(X)
ACTIVE₁(s₁(X)) -> ACTIVE₁(X)
ACTIVE₁(app₂(X1, X2)) -> ACTIVE₁(X1)

Used ordering: Polynomial interpretation [21]:

POL(ACTIVE₁(x₁)) = x₁
POL(app₂(x₁, x₂)) = x₁ + x₂
POL(cons₂(x₁, x₂)) = x₁
POL(from₁(x₁)) = x₁
POL(prefix₁(x₁)) = x₁
POL(s₁(x₁)) = x₁
POL(zWadr₂(x₁, x₂)) = 1 + 2·x₁ + x₂

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

ACTIVE₁(cons₂(X1, X2)) -> ACTIVE₁(X1)
ACTIVE₁(prefix₁(X)) -> ACTIVE₁(X)
ACTIVE₁(app₂(X1, X2)) -> ACTIVE₁(X2)
ACTIVE₁(from₁(X)) -> ACTIVE₁(X)
ACTIVE₁(s₁(X)) -> ACTIVE₁(X)
ACTIVE₁(app₂(X1, X2)) -> ACTIVE₁(X1)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

ACTIVE₁(cons₂(X1, X2)) -> ACTIVE₁(X1)

The remaining pairs can at least be oriented weakly.

ACTIVE₁(prefix₁(X)) -> ACTIVE₁(X)
ACTIVE₁(app₂(X1, X2)) -> ACTIVE₁(X2)
ACTIVE₁(from₁(X)) -> ACTIVE₁(X)
ACTIVE₁(s₁(X)) -> ACTIVE₁(X)
ACTIVE₁(app₂(X1, X2)) -> ACTIVE₁(X1)

Used ordering: Polynomial interpretation [21]:

POL(ACTIVE₁(x₁)) = x₁
POL(app₂(x₁, x₂)) = x₁ + x₂
POL(cons₂(x₁, x₂)) = 1 + 2·x₁
POL(from₁(x₁)) = x₁
POL(prefix₁(x₁)) = x₁
POL(s₁(x₁)) = x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

                  ↳ QDP

                    ↳ QDPOrderProof

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

ACTIVE₁(prefix₁(X)) -> ACTIVE₁(X)
ACTIVE₁(app₂(X1, X2)) -> ACTIVE₁(X2)
ACTIVE₁(from₁(X)) -> ACTIVE₁(X)
ACTIVE₁(s₁(X)) -> ACTIVE₁(X)
ACTIVE₁(app₂(X1, X2)) -> ACTIVE₁(X1)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

ACTIVE₁(prefix₁(X)) -> ACTIVE₁(X)

The remaining pairs can at least be oriented weakly.

ACTIVE₁(app₂(X1, X2)) -> ACTIVE₁(X2)
ACTIVE₁(from₁(X)) -> ACTIVE₁(X)
ACTIVE₁(s₁(X)) -> ACTIVE₁(X)
ACTIVE₁(app₂(X1, X2)) -> ACTIVE₁(X1)

Used ordering: Polynomial interpretation [21]:

POL(ACTIVE₁(x₁)) = x₁
POL(app₂(x₁, x₂)) = x₁ + x₂
POL(from₁(x₁)) = x₁
POL(prefix₁(x₁)) = 1 + 2·x₁
POL(s₁(x₁)) = x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

                  ↳ QDP

                    ↳ QDPOrderProof

                      ↳ QDP

                        ↳ QDPOrderProof

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

ACTIVE₁(app₂(X1, X2)) -> ACTIVE₁(X2)
ACTIVE₁(from₁(X)) -> ACTIVE₁(X)
ACTIVE₁(s₁(X)) -> ACTIVE₁(X)
ACTIVE₁(app₂(X1, X2)) -> ACTIVE₁(X1)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

ACTIVE₁(app₂(X1, X2)) -> ACTIVE₁(X2)
ACTIVE₁(app₂(X1, X2)) -> ACTIVE₁(X1)

The remaining pairs can at least be oriented weakly.

ACTIVE₁(from₁(X)) -> ACTIVE₁(X)
ACTIVE₁(s₁(X)) -> ACTIVE₁(X)

Used ordering: Polynomial interpretation [21]:

POL(ACTIVE₁(x₁)) = x₁
POL(app₂(x₁, x₂)) = 1 + x₁ + 2·x₂
POL(from₁(x₁)) = x₁
POL(s₁(x₁)) = x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

                  ↳ QDP

                    ↳ QDPOrderProof

                      ↳ QDP

                        ↳ QDPOrderProof

                          ↳ QDP

                            ↳ QDPOrderProof

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

ACTIVE₁(from₁(X)) -> ACTIVE₁(X)
ACTIVE₁(s₁(X)) -> ACTIVE₁(X)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

ACTIVE₁(from₁(X)) -> ACTIVE₁(X)

The remaining pairs can at least be oriented weakly.

ACTIVE₁(s₁(X)) -> ACTIVE₁(X)

Used ordering: Polynomial interpretation [21]:

POL(ACTIVE₁(x₁)) = x₁
POL(from₁(x₁)) = 1 + 2·x₁
POL(s₁(x₁)) = x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

                  ↳ QDP

                    ↳ QDPOrderProof

                      ↳ QDP

                        ↳ QDPOrderProof

                          ↳ QDP

                            ↳ QDPOrderProof

                              ↳ QDP

                                ↳ QDPOrderProof

          ↳ QDP

Q DP problem:
The TRS P consists of the following rules:

ACTIVE₁(s₁(X)) -> ACTIVE₁(X)

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

ACTIVE₁(s₁(X)) -> ACTIVE₁(X)

The remaining pairs can at least be oriented weakly.
none
Used ordering: Polynomial interpretation [21]:

POL(ACTIVE₁(x₁)) = 2·x₁
POL(s₁(x₁)) = 1 + 2·x₁

The following usable rules [14] were oriented: none

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

                  ↳ QDP

                    ↳ QDPOrderProof

                      ↳ QDP

                        ↳ QDPOrderProof

                          ↳ QDP

                            ↳ QDPOrderProof

                              ↳ QDP

                                ↳ QDPOrderProof

                                  ↳ QDP

                                    ↳ PisEmptyProof

          ↳ QDP

Q DP problem:
P is empty.
The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The TRS P is empty. Hence, there is no (P,Q,R) chain.

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

Q DP problem:
The TRS P consists of the following rules:

TOP₁(ok₁(X)) -> TOP₁(active₁(X))
TOP₁(mark₁(X)) -> TOP₁(proper₁(X))

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

TOP₁(mark₁(X)) -> TOP₁(proper₁(X))

The remaining pairs can at least be oriented weakly.

TOP₁(ok₁(X)) -> TOP₁(active₁(X))

Used ordering: Polynomial interpretation [21]:

POL(TOP₁(x₁)) = 2·x₁
POL(active₁(x₁)) = x₁
POL(app₂(x₁, x₂)) = 2 + 2·x₁ + x₂
POL(cons₂(x₁, x₂)) = 1 + x₁
POL(from₁(x₁)) = 2 + x₁
POL(mark₁(x₁)) = 1 + x₁
POL(nil) = 0
POL(ok₁(x₁)) = x₁
POL(prefix₁(x₁)) = 2 + 2·x₁
POL(proper₁(x₁)) = x₁
POL(s₁(x₁)) = 1 + x₁
POL(zWadr₂(x₁, x₂)) = 1 + 2·x₁ + 2·x₂

The following usable rules [14] were oriented:

proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
s₁(ok₁(X)) -> ok₁(s₁(X))
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
proper₁(s₁(X)) -> s₁(proper₁(X))
active₁(from₁(X)) -> from₁(active₁(X))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
from₁(mark₁(X)) -> mark₁(from₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
s₁(mark₁(X)) -> mark₁(s₁(X))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
from₁(ok₁(X)) -> ok₁(from₁(X))
active₁(app₂(nil, YS)) -> mark₁(YS)
proper₁(nil) -> ok₁(nil)
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

Q DP problem:
The TRS P consists of the following rules:

TOP₁(ok₁(X)) -> TOP₁(active₁(X))

The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
We use the reduction pair processor [13].

The following pairs can be oriented strictly and are deleted.

TOP₁(ok₁(X)) -> TOP₁(active₁(X))

The remaining pairs can at least be oriented weakly.
none
Used ordering: Polynomial interpretation [21]:

POL(TOP₁(x₁)) = x₁
POL(active₁(x₁)) = 2·x₁
POL(app₂(x₁, x₂)) = 2 + 2·x₁ + x₂
POL(cons₂(x₁, x₂)) = 2·x₁ + x₂
POL(from₁(x₁)) = 1 + 2·x₁
POL(mark₁(x₁)) = 0
POL(nil) = 2
POL(ok₁(x₁)) = 1 + 2·x₁
POL(prefix₁(x₁)) = 1 + 2·x₁
POL(s₁(x₁)) = 1 + 2·x₁
POL(zWadr₂(x₁, x₂)) = 2 + 2·x₁ + 2·x₂

The following usable rules [14] were oriented:

active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
s₁(ok₁(X)) -> ok₁(s₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
active₁(from₁(X)) -> from₁(active₁(X))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
from₁(mark₁(X)) -> mark₁(from₁(X))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
s₁(mark₁(X)) -> mark₁(s₁(X))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
from₁(ok₁(X)) -> ok₁(from₁(X))
active₁(app₂(nil, YS)) -> mark₁(YS)
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))

↳ QTRS

  ↳ DependencyPairsProof

    ↳ QDP

      ↳ DependencyGraphProof

        ↳ AND

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

          ↳ QDP

            ↳ QDPOrderProof

              ↳ QDP

                ↳ QDPOrderProof

                  ↳ QDP

                    ↳ PisEmptyProof

Q DP problem:
P is empty.
The TRS R consists of the following rules:

active₁(app₂(nil, YS)) -> mark₁(YS)
active₁(app₂(cons₂(X, XS), YS)) -> mark₁(cons₂(X, app₂(XS, YS)))
active₁(from₁(X)) -> mark₁(cons₂(X, from₁(s₁(X))))
active₁(zWadr₂(nil, YS)) -> mark₁(nil)
active₁(zWadr₂(XS, nil)) -> mark₁(nil)
active₁(zWadr₂(cons₂(X, XS), cons₂(Y, YS))) -> mark₁(cons₂(app₂(Y, cons₂(X, nil)), zWadr₂(XS, YS)))
active₁(prefix₁(L)) -> mark₁(cons₂(nil, zWadr₂(L, prefix₁(L))))
active₁(app₂(X1, X2)) -> app₂(active₁(X1), X2)
active₁(app₂(X1, X2)) -> app₂(X1, active₁(X2))
active₁(cons₂(X1, X2)) -> cons₂(active₁(X1), X2)
active₁(from₁(X)) -> from₁(active₁(X))
active₁(s₁(X)) -> s₁(active₁(X))
active₁(zWadr₂(X1, X2)) -> zWadr₂(active₁(X1), X2)
active₁(zWadr₂(X1, X2)) -> zWadr₂(X1, active₁(X2))
active₁(prefix₁(X)) -> prefix₁(active₁(X))
app₂(mark₁(X1), X2) -> mark₁(app₂(X1, X2))
app₂(X1, mark₁(X2)) -> mark₁(app₂(X1, X2))
cons₂(mark₁(X1), X2) -> mark₁(cons₂(X1, X2))
from₁(mark₁(X)) -> mark₁(from₁(X))
s₁(mark₁(X)) -> mark₁(s₁(X))
zWadr₂(mark₁(X1), X2) -> mark₁(zWadr₂(X1, X2))
zWadr₂(X1, mark₁(X2)) -> mark₁(zWadr₂(X1, X2))
prefix₁(mark₁(X)) -> mark₁(prefix₁(X))
proper₁(app₂(X1, X2)) -> app₂(proper₁(X1), proper₁(X2))
proper₁(nil) -> ok₁(nil)
proper₁(cons₂(X1, X2)) -> cons₂(proper₁(X1), proper₁(X2))
proper₁(from₁(X)) -> from₁(proper₁(X))
proper₁(s₁(X)) -> s₁(proper₁(X))
proper₁(zWadr₂(X1, X2)) -> zWadr₂(proper₁(X1), proper₁(X2))
proper₁(prefix₁(X)) -> prefix₁(proper₁(X))
app₂(ok₁(X1), ok₁(X2)) -> ok₁(app₂(X1, X2))
cons₂(ok₁(X1), ok₁(X2)) -> ok₁(cons₂(X1, X2))
from₁(ok₁(X)) -> ok₁(from₁(X))
s₁(ok₁(X)) -> ok₁(s₁(X))
zWadr₂(ok₁(X1), ok₁(X2)) -> ok₁(zWadr₂(X1, X2))
prefix₁(ok₁(X)) -> ok₁(prefix₁(X))
top₁(mark₁(X)) -> top₁(proper₁(X))
top₁(ok₁(X)) -> top₁(active₁(X))

Q is empty.
We have to consider all minimal (P,Q,R)-chains.
The TRS P is empty. Hence, there is no (P,Q,R) chain.