Termination w.r.t. Q proof of /tmp/tmpTyf6U1/PALINDROME_complete-noand

Termination w.r.t. Q of the given QTRS could not be shown:

0 QTRS

↳1 DependencyPairsProof (⇔)

↳2 QDP

↳3 DependencyGraphProof (⇔)

↳4 AND

  ↳5 QDP

    ↳6 QDPOrderProof (⇔)

    ↳7 QDP

    ↳8 PisEmptyProof (⇔)

    ↳9 TRUE

  ↳10 QDP

    ↳11 QDPOrderProof (⇔)

    ↳12 QDP

    ↳13 PisEmptyProof (⇔)

    ↳14 TRUE

  ↳15 QDP

  ↳16 QDP

  ↳17 QDP

(0) Obligation:

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

__(__(X, Y), Z) → __(X, __(Y, Z))
__(X, nil) → X
__(nil, X) → X
U11(tt, V) → U12(isPalListKind(activate(V)), activate(V))
U12(tt, V) → U13(isNeList(activate(V)))
U13(tt) → tt
U21(tt, V1, V2) → U22(isPalListKind(activate(V1)), activate(V1), activate(V2))
U22(tt, V1, V2) → U23(isPalListKind(activate(V2)), activate(V1), activate(V2))
U23(tt, V1, V2) → U24(isPalListKind(activate(V2)), activate(V1), activate(V2))
U24(tt, V1, V2) → U25(isList(activate(V1)), activate(V2))
U25(tt, V2) → U26(isList(activate(V2)))
U26(tt) → tt
U31(tt, V) → U32(isPalListKind(activate(V)), activate(V))
U32(tt, V) → U33(isQid(activate(V)))
U33(tt) → tt
U41(tt, V1, V2) → U42(isPalListKind(activate(V1)), activate(V1), activate(V2))
U42(tt, V1, V2) → U43(isPalListKind(activate(V2)), activate(V1), activate(V2))
U43(tt, V1, V2) → U44(isPalListKind(activate(V2)), activate(V1), activate(V2))
U44(tt, V1, V2) → U45(isList(activate(V1)), activate(V2))
U45(tt, V2) → U46(isNeList(activate(V2)))
U46(tt) → tt
U51(tt, V1, V2) → U52(isPalListKind(activate(V1)), activate(V1), activate(V2))
U52(tt, V1, V2) → U53(isPalListKind(activate(V2)), activate(V1), activate(V2))
U53(tt, V1, V2) → U54(isPalListKind(activate(V2)), activate(V1), activate(V2))
U54(tt, V1, V2) → U55(isNeList(activate(V1)), activate(V2))
U55(tt, V2) → U56(isList(activate(V2)))
U56(tt) → tt
U61(tt, V) → U62(isPalListKind(activate(V)), activate(V))
U62(tt, V) → U63(isQid(activate(V)))
U63(tt) → tt
U71(tt, I, P) → U72(isPalListKind(activate(I)), activate(P))
U72(tt, P) → U73(isPal(activate(P)), activate(P))
U73(tt, P) → U74(isPalListKind(activate(P)))
U74(tt) → tt
U81(tt, V) → U82(isPalListKind(activate(V)), activate(V))
U82(tt, V) → U83(isNePal(activate(V)))
U83(tt) → tt
U91(tt, V2) → U92(isPalListKind(activate(V2)))
U92(tt) → tt
isList(V) → U11(isPalListKind(activate(V)), activate(V))
isList(n__nil) → tt
isList(n____(V1, V2)) → U21(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(V) → U31(isPalListKind(activate(V)), activate(V))
isNeList(n____(V1, V2)) → U41(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(n____(V1, V2)) → U51(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNePal(V) → U61(isPalListKind(activate(V)), activate(V))
isNePal(n____(I, n____(P, I))) → U71(isQid(activate(I)), activate(I), activate(P))
isPal(V) → U81(isPalListKind(activate(V)), activate(V))
isPal(n__nil) → tt
isPalListKind(n__a) → tt
isPalListKind(n__e) → tt
isPalListKind(n__i) → tt
isPalListKind(n__nil) → tt
isPalListKind(n__o) → tt
isPalListKind(n__u) → tt
isPalListKind(n____(V1, V2)) → U91(isPalListKind(activate(V1)), activate(V2))
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
nil → n__nil
__(X1, X2) → n____(X1, X2)
a → n__a
e → n__e
i → n__i
o → n__o
u → n__u
activate(n__nil) → nil
activate(n____(X1, X2)) → __(activate(X1), activate(X2))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(X) → X

Q is empty.

(1) DependencyPairsProof (EQUIVALENT transformation)

Using Dependency Pairs [AG00,LPAR04] we result in the following initial DP problem.

(2) Obligation:

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

__¹(__(X, Y), Z) → __¹(X, __(Y, Z))
__¹(__(X, Y), Z) → __¹(Y, Z)
U11¹(tt, V) → U12¹(isPalListKind(activate(V)), activate(V))
U11¹(tt, V) → ISPALLISTKIND(activate(V))
U11¹(tt, V) → ACTIVATE(V)
U12¹(tt, V) → U13¹(isNeList(activate(V)))
U12¹(tt, V) → ISNELIST(activate(V))
U12¹(tt, V) → ACTIVATE(V)
U21¹(tt, V1, V2) → U22¹(isPalListKind(activate(V1)), activate(V1), activate(V2))
U21¹(tt, V1, V2) → ISPALLISTKIND(activate(V1))
U21¹(tt, V1, V2) → ACTIVATE(V1)
U21¹(tt, V1, V2) → ACTIVATE(V2)
U22¹(tt, V1, V2) → U23¹(isPalListKind(activate(V2)), activate(V1), activate(V2))
U22¹(tt, V1, V2) → ISPALLISTKIND(activate(V2))
U22¹(tt, V1, V2) → ACTIVATE(V2)
U22¹(tt, V1, V2) → ACTIVATE(V1)
U23¹(tt, V1, V2) → U24¹(isPalListKind(activate(V2)), activate(V1), activate(V2))
U23¹(tt, V1, V2) → ISPALLISTKIND(activate(V2))
U23¹(tt, V1, V2) → ACTIVATE(V2)
U23¹(tt, V1, V2) → ACTIVATE(V1)
U24¹(tt, V1, V2) → U25¹(isList(activate(V1)), activate(V2))
U24¹(tt, V1, V2) → ISLIST(activate(V1))
U24¹(tt, V1, V2) → ACTIVATE(V1)
U24¹(tt, V1, V2) → ACTIVATE(V2)
U25¹(tt, V2) → U26¹(isList(activate(V2)))
U25¹(tt, V2) → ISLIST(activate(V2))
U25¹(tt, V2) → ACTIVATE(V2)
U31¹(tt, V) → U32¹(isPalListKind(activate(V)), activate(V))
U31¹(tt, V) → ISPALLISTKIND(activate(V))
U31¹(tt, V) → ACTIVATE(V)
U32¹(tt, V) → U33¹(isQid(activate(V)))
U32¹(tt, V) → ISQID(activate(V))
U32¹(tt, V) → ACTIVATE(V)
U41¹(tt, V1, V2) → U42¹(isPalListKind(activate(V1)), activate(V1), activate(V2))
U41¹(tt, V1, V2) → ISPALLISTKIND(activate(V1))
U41¹(tt, V1, V2) → ACTIVATE(V1)
U41¹(tt, V1, V2) → ACTIVATE(V2)
U42¹(tt, V1, V2) → U43¹(isPalListKind(activate(V2)), activate(V1), activate(V2))
U42¹(tt, V1, V2) → ISPALLISTKIND(activate(V2))
U42¹(tt, V1, V2) → ACTIVATE(V2)
U42¹(tt, V1, V2) → ACTIVATE(V1)
U43¹(tt, V1, V2) → U44¹(isPalListKind(activate(V2)), activate(V1), activate(V2))
U43¹(tt, V1, V2) → ISPALLISTKIND(activate(V2))
U43¹(tt, V1, V2) → ACTIVATE(V2)
U43¹(tt, V1, V2) → ACTIVATE(V1)
U44¹(tt, V1, V2) → U45¹(isList(activate(V1)), activate(V2))
U44¹(tt, V1, V2) → ISLIST(activate(V1))
U44¹(tt, V1, V2) → ACTIVATE(V1)
U44¹(tt, V1, V2) → ACTIVATE(V2)
U45¹(tt, V2) → U46¹(isNeList(activate(V2)))
U45¹(tt, V2) → ISNELIST(activate(V2))
U45¹(tt, V2) → ACTIVATE(V2)
U51¹(tt, V1, V2) → U52¹(isPalListKind(activate(V1)), activate(V1), activate(V2))
U51¹(tt, V1, V2) → ISPALLISTKIND(activate(V1))
U51¹(tt, V1, V2) → ACTIVATE(V1)
U51¹(tt, V1, V2) → ACTIVATE(V2)
U52¹(tt, V1, V2) → U53¹(isPalListKind(activate(V2)), activate(V1), activate(V2))
U52¹(tt, V1, V2) → ISPALLISTKIND(activate(V2))
U52¹(tt, V1, V2) → ACTIVATE(V2)
U52¹(tt, V1, V2) → ACTIVATE(V1)
U53¹(tt, V1, V2) → U54¹(isPalListKind(activate(V2)), activate(V1), activate(V2))
U53¹(tt, V1, V2) → ISPALLISTKIND(activate(V2))
U53¹(tt, V1, V2) → ACTIVATE(V2)
U53¹(tt, V1, V2) → ACTIVATE(V1)
U54¹(tt, V1, V2) → U55¹(isNeList(activate(V1)), activate(V2))
U54¹(tt, V1, V2) → ISNELIST(activate(V1))
U54¹(tt, V1, V2) → ACTIVATE(V1)
U54¹(tt, V1, V2) → ACTIVATE(V2)
U55¹(tt, V2) → U56¹(isList(activate(V2)))
U55¹(tt, V2) → ISLIST(activate(V2))
U55¹(tt, V2) → ACTIVATE(V2)
U61¹(tt, V) → U62¹(isPalListKind(activate(V)), activate(V))
U61¹(tt, V) → ISPALLISTKIND(activate(V))
U61¹(tt, V) → ACTIVATE(V)
U62¹(tt, V) → U63¹(isQid(activate(V)))
U62¹(tt, V) → ISQID(activate(V))
U62¹(tt, V) → ACTIVATE(V)
U71¹(tt, I, P) → U72¹(isPalListKind(activate(I)), activate(P))
U71¹(tt, I, P) → ISPALLISTKIND(activate(I))
U71¹(tt, I, P) → ACTIVATE(I)
U71¹(tt, I, P) → ACTIVATE(P)
U72¹(tt, P) → U73¹(isPal(activate(P)), activate(P))
U72¹(tt, P) → ISPAL(activate(P))
U72¹(tt, P) → ACTIVATE(P)
U73¹(tt, P) → U74¹(isPalListKind(activate(P)))
U73¹(tt, P) → ISPALLISTKIND(activate(P))
U73¹(tt, P) → ACTIVATE(P)
U81¹(tt, V) → U82¹(isPalListKind(activate(V)), activate(V))
U81¹(tt, V) → ISPALLISTKIND(activate(V))
U81¹(tt, V) → ACTIVATE(V)
U82¹(tt, V) → U83¹(isNePal(activate(V)))
U82¹(tt, V) → ISNEPAL(activate(V))
U82¹(tt, V) → ACTIVATE(V)
U91¹(tt, V2) → U92¹(isPalListKind(activate(V2)))
U91¹(tt, V2) → ISPALLISTKIND(activate(V2))
U91¹(tt, V2) → ACTIVATE(V2)
ISLIST(V) → U11¹(isPalListKind(activate(V)), activate(V))
ISLIST(V) → ISPALLISTKIND(activate(V))
ISLIST(V) → ACTIVATE(V)
ISLIST(n____(V1, V2)) → U21¹(isPalListKind(activate(V1)), activate(V1), activate(V2))
ISLIST(n____(V1, V2)) → ISPALLISTKIND(activate(V1))
ISLIST(n____(V1, V2)) → ACTIVATE(V1)
ISLIST(n____(V1, V2)) → ACTIVATE(V2)
ISNELIST(V) → U31¹(isPalListKind(activate(V)), activate(V))
ISNELIST(V) → ISPALLISTKIND(activate(V))
ISNELIST(V) → ACTIVATE(V)
ISNELIST(n____(V1, V2)) → U41¹(isPalListKind(activate(V1)), activate(V1), activate(V2))
ISNELIST(n____(V1, V2)) → ISPALLISTKIND(activate(V1))
ISNELIST(n____(V1, V2)) → ACTIVATE(V1)
ISNELIST(n____(V1, V2)) → ACTIVATE(V2)
ISNELIST(n____(V1, V2)) → U51¹(isPalListKind(activate(V1)), activate(V1), activate(V2))
ISNEPAL(V) → U61¹(isPalListKind(activate(V)), activate(V))
ISNEPAL(V) → ISPALLISTKIND(activate(V))
ISNEPAL(V) → ACTIVATE(V)
ISNEPAL(n____(I, n____(P, I))) → U71¹(isQid(activate(I)), activate(I), activate(P))
ISNEPAL(n____(I, n____(P, I))) → ISQID(activate(I))
ISNEPAL(n____(I, n____(P, I))) → ACTIVATE(I)
ISNEPAL(n____(I, n____(P, I))) → ACTIVATE(P)
ISPAL(V) → U81¹(isPalListKind(activate(V)), activate(V))
ISPAL(V) → ISPALLISTKIND(activate(V))
ISPAL(V) → ACTIVATE(V)
ISPALLISTKIND(n____(V1, V2)) → U91¹(isPalListKind(activate(V1)), activate(V2))
ISPALLISTKIND(n____(V1, V2)) → ISPALLISTKIND(activate(V1))
ISPALLISTKIND(n____(V1, V2)) → ACTIVATE(V1)
ISPALLISTKIND(n____(V1, V2)) → ACTIVATE(V2)
ACTIVATE(n__nil) → NIL
ACTIVATE(n____(X1, X2)) → __¹(activate(X1), activate(X2))
ACTIVATE(n____(X1, X2)) → ACTIVATE(X1)
ACTIVATE(n____(X1, X2)) → ACTIVATE(X2)
ACTIVATE(n__a) → A
ACTIVATE(n__e) → E
ACTIVATE(n__i) → I
ACTIVATE(n__o) → O
ACTIVATE(n__u) → U

The TRS R consists of the following rules:

__(__(X, Y), Z) → __(X, __(Y, Z))
__(X, nil) → X
__(nil, X) → X
U11(tt, V) → U12(isPalListKind(activate(V)), activate(V))
U12(tt, V) → U13(isNeList(activate(V)))
U13(tt) → tt
U21(tt, V1, V2) → U22(isPalListKind(activate(V1)), activate(V1), activate(V2))
U22(tt, V1, V2) → U23(isPalListKind(activate(V2)), activate(V1), activate(V2))
U23(tt, V1, V2) → U24(isPalListKind(activate(V2)), activate(V1), activate(V2))
U24(tt, V1, V2) → U25(isList(activate(V1)), activate(V2))
U25(tt, V2) → U26(isList(activate(V2)))
U26(tt) → tt
U31(tt, V) → U32(isPalListKind(activate(V)), activate(V))
U32(tt, V) → U33(isQid(activate(V)))
U33(tt) → tt
U41(tt, V1, V2) → U42(isPalListKind(activate(V1)), activate(V1), activate(V2))
U42(tt, V1, V2) → U43(isPalListKind(activate(V2)), activate(V1), activate(V2))
U43(tt, V1, V2) → U44(isPalListKind(activate(V2)), activate(V1), activate(V2))
U44(tt, V1, V2) → U45(isList(activate(V1)), activate(V2))
U45(tt, V2) → U46(isNeList(activate(V2)))
U46(tt) → tt
U51(tt, V1, V2) → U52(isPalListKind(activate(V1)), activate(V1), activate(V2))
U52(tt, V1, V2) → U53(isPalListKind(activate(V2)), activate(V1), activate(V2))
U53(tt, V1, V2) → U54(isPalListKind(activate(V2)), activate(V1), activate(V2))
U54(tt, V1, V2) → U55(isNeList(activate(V1)), activate(V2))
U55(tt, V2) → U56(isList(activate(V2)))
U56(tt) → tt
U61(tt, V) → U62(isPalListKind(activate(V)), activate(V))
U62(tt, V) → U63(isQid(activate(V)))
U63(tt) → tt
U71(tt, I, P) → U72(isPalListKind(activate(I)), activate(P))
U72(tt, P) → U73(isPal(activate(P)), activate(P))
U73(tt, P) → U74(isPalListKind(activate(P)))
U74(tt) → tt
U81(tt, V) → U82(isPalListKind(activate(V)), activate(V))
U82(tt, V) → U83(isNePal(activate(V)))
U83(tt) → tt
U91(tt, V2) → U92(isPalListKind(activate(V2)))
U92(tt) → tt
isList(V) → U11(isPalListKind(activate(V)), activate(V))
isList(n__nil) → tt
isList(n____(V1, V2)) → U21(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(V) → U31(isPalListKind(activate(V)), activate(V))
isNeList(n____(V1, V2)) → U41(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(n____(V1, V2)) → U51(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNePal(V) → U61(isPalListKind(activate(V)), activate(V))
isNePal(n____(I, n____(P, I))) → U71(isQid(activate(I)), activate(I), activate(P))
isPal(V) → U81(isPalListKind(activate(V)), activate(V))
isPal(n__nil) → tt
isPalListKind(n__a) → tt
isPalListKind(n__e) → tt
isPalListKind(n__i) → tt
isPalListKind(n__nil) → tt
isPalListKind(n__o) → tt
isPalListKind(n__u) → tt
isPalListKind(n____(V1, V2)) → U91(isPalListKind(activate(V1)), activate(V2))
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
nil → n__nil
__(X1, X2) → n____(X1, X2)
a → n__a
e → n__e
i → n__i
o → n__o
u → n__u
activate(n__nil) → nil
activate(n____(X1, X2)) → __(activate(X1), activate(X2))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(X) → X

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

(3) DependencyGraphProof (EQUIVALENT transformation)

The approximation of the Dependency Graph [LPAR04,FROCOS05,EDGSTAR] contains 5 SCCs with 97 less nodes.

(4) Complex Obligation (AND)

(5) Obligation:

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

__¹(__(X, Y), Z) → __¹(Y, Z)
__¹(__(X, Y), Z) → __¹(X, __(Y, Z))

The TRS R consists of the following rules:

__(__(X, Y), Z) → __(X, __(Y, Z))
__(X, nil) → X
__(nil, X) → X
U11(tt, V) → U12(isPalListKind(activate(V)), activate(V))
U12(tt, V) → U13(isNeList(activate(V)))
U13(tt) → tt
U21(tt, V1, V2) → U22(isPalListKind(activate(V1)), activate(V1), activate(V2))
U22(tt, V1, V2) → U23(isPalListKind(activate(V2)), activate(V1), activate(V2))
U23(tt, V1, V2) → U24(isPalListKind(activate(V2)), activate(V1), activate(V2))
U24(tt, V1, V2) → U25(isList(activate(V1)), activate(V2))
U25(tt, V2) → U26(isList(activate(V2)))
U26(tt) → tt
U31(tt, V) → U32(isPalListKind(activate(V)), activate(V))
U32(tt, V) → U33(isQid(activate(V)))
U33(tt) → tt
U41(tt, V1, V2) → U42(isPalListKind(activate(V1)), activate(V1), activate(V2))
U42(tt, V1, V2) → U43(isPalListKind(activate(V2)), activate(V1), activate(V2))
U43(tt, V1, V2) → U44(isPalListKind(activate(V2)), activate(V1), activate(V2))
U44(tt, V1, V2) → U45(isList(activate(V1)), activate(V2))
U45(tt, V2) → U46(isNeList(activate(V2)))
U46(tt) → tt
U51(tt, V1, V2) → U52(isPalListKind(activate(V1)), activate(V1), activate(V2))
U52(tt, V1, V2) → U53(isPalListKind(activate(V2)), activate(V1), activate(V2))
U53(tt, V1, V2) → U54(isPalListKind(activate(V2)), activate(V1), activate(V2))
U54(tt, V1, V2) → U55(isNeList(activate(V1)), activate(V2))
U55(tt, V2) → U56(isList(activate(V2)))
U56(tt) → tt
U61(tt, V) → U62(isPalListKind(activate(V)), activate(V))
U62(tt, V) → U63(isQid(activate(V)))
U63(tt) → tt
U71(tt, I, P) → U72(isPalListKind(activate(I)), activate(P))
U72(tt, P) → U73(isPal(activate(P)), activate(P))
U73(tt, P) → U74(isPalListKind(activate(P)))
U74(tt) → tt
U81(tt, V) → U82(isPalListKind(activate(V)), activate(V))
U82(tt, V) → U83(isNePal(activate(V)))
U83(tt) → tt
U91(tt, V2) → U92(isPalListKind(activate(V2)))
U92(tt) → tt
isList(V) → U11(isPalListKind(activate(V)), activate(V))
isList(n__nil) → tt
isList(n____(V1, V2)) → U21(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(V) → U31(isPalListKind(activate(V)), activate(V))
isNeList(n____(V1, V2)) → U41(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(n____(V1, V2)) → U51(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNePal(V) → U61(isPalListKind(activate(V)), activate(V))
isNePal(n____(I, n____(P, I))) → U71(isQid(activate(I)), activate(I), activate(P))
isPal(V) → U81(isPalListKind(activate(V)), activate(V))
isPal(n__nil) → tt
isPalListKind(n__a) → tt
isPalListKind(n__e) → tt
isPalListKind(n__i) → tt
isPalListKind(n__nil) → tt
isPalListKind(n__o) → tt
isPalListKind(n__u) → tt
isPalListKind(n____(V1, V2)) → U91(isPalListKind(activate(V1)), activate(V2))
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
nil → n__nil
__(X1, X2) → n____(X1, X2)
a → n__a
e → n__e
i → n__i
o → n__o
u → n__u
activate(n__nil) → nil
activate(n____(X1, X2)) → __(activate(X1), activate(X2))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(X) → X

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

(6) QDPOrderProof (EQUIVALENT transformation)

We use the reduction pair processor [LPAR04].

The following pairs can be oriented strictly and are deleted.

__¹(__(X, Y), Z) → __¹(Y, Z)
__¹(__(X, Y), Z) → __¹(X, __(Y, Z))

The remaining pairs can at least be oriented weakly.
Used ordering: Combined order from the following AFS and order.
__¹(x1, x2) = __¹(x1)
__(x1, x2) = __(x1, x2)
nil = nil
U11(x1, x2) = U11(x1, x2)
tt = tt
U12(x1, x2) = U12(x1, x2)
isPalListKind(x1) = isPalListKind
activate(x1) = activate(x1)
U13(x1) = U13(x1)
isNeList(x1) = isNeList
U21(x1, x2, x3) = U21(x1, x3)
U22(x1, x2, x3) = U22(x1)
U23(x1, x2, x3) = U23
U24(x1, x2, x3) = U24
U25(x1, x2) = U25
isList(x1) = isList(x1)
U26(x1) = U26
U31(x1, x2) = U31(x1)
U32(x1, x2) = U32
U33(x1) = U33(x1)
isQid(x1) = isQid
U41(x1, x2, x3) = U41
U42(x1, x2, x3) = U42
U43(x1, x2, x3) = U43
U44(x1, x2, x3) = U44
U45(x1, x2) = U45
U46(x1) = U46
U51(x1, x2, x3) = U51(x1)
U52(x1, x2, x3) = U52(x1)
U53(x1, x2, x3) = U53
U54(x1, x2, x3) = U54
U55(x1, x2) = U55
U56(x1) = U56
U61(x1, x2) = U61(x1)
U62(x1, x2) = U62(x1)
U63(x1) = U63(x1)
U71(x1, x2, x3) = U71
U72(x1, x2) = U72(x1)
U73(x1, x2) = U73
isPal(x1) = isPal(x1)
U74(x1) = U74(x1)
U81(x1, x2) = U81(x1, x2)
U82(x1, x2) = U82(x1, x2)
U83(x1) = U83(x1)
isNePal(x1) = isNePal
U91(x1, x2) = U91
U92(x1) = U92
n__nil = n__nil
n____(x1, x2) = n____(x1, x2)
n__a = n__a
n__e = n__e
n__i = n__i
n__o = n__o
n__u = n__u
a = a
e = e
i = i
o = o
u = u

Lexicographic path order with status [LPO].
Precedence:

isList₁ > U11₂ > U12₂ > isNeList > U31₁ > U32 > U33₁ > __^1₁
isList₁ > U11₂ > U12₂ > isNeList > U31₁ > U32 > isQid > tt > U13₁ > __^1₁
isList₁ > U11₂ > U12₂ > isNeList > U31₁ > U32 > isQid > tt > U63₁ > __^1₁
isList₁ > U11₂ > U12₂ > isNeList > U31₁ > U32 > isQid > tt > U74₁ > __^1₁
isList₁ > U11₂ > U12₂ > isNeList > U31₁ > U32 > isQid > tt > U83₁ > __^1₁
isList₁ > U11₂ > U12₂ > isNeList > U41 > U42 > U43 > U44 > U45 > U46 > tt > U13₁ > __^1₁
isList₁ > U11₂ > U12₂ > isNeList > U41 > U42 > U43 > U44 > U45 > U46 > tt > U63₁ > __^1₁
isList₁ > U11₂ > U12₂ > isNeList > U41 > U42 > U43 > U44 > U45 > U46 > tt > U74₁ > __^1₁
isList₁ > U11₂ > U12₂ > isNeList > U41 > U42 > U43 > U44 > U45 > U46 > tt > U83₁ > __^1₁
isList₁ > U11₂ > U12₂ > isNeList > U51₁ > isPalListKind > U91 > U92 > tt > U13₁ > __^1₁
isList₁ > U11₂ > U12₂ > isNeList > U51₁ > isPalListKind > U91 > U92 > tt > U63₁ > __^1₁
isList₁ > U11₂ > U12₂ > isNeList > U51₁ > isPalListKind > U91 > U92 > tt > U74₁ > __^1₁
isList₁ > U11₂ > U12₂ > isNeList > U51₁ > isPalListKind > U91 > U92 > tt > U83₁ > __^1₁
isList₁ > U11₂ > U12₂ > isNeList > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U13₁ > __^1₁
isList₁ > U11₂ > U12₂ > isNeList > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U63₁ > __^1₁
isList₁ > U11₂ > U12₂ > isNeList > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U74₁ > __^1₁
isList₁ > U11₂ > U12₂ > isNeList > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U83₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₂ > isPalListKind > U91 > U92 > tt > U13₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₂ > isPalListKind > U91 > U92 > tt > U63₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₂ > isPalListKind > U91 > U92 > tt > U74₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₂ > isPalListKind > U91 > U92 > tt > U83₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₂ > U22₁ > U23 > U24 > U25 > U26 > tt > U13₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₂ > U22₁ > U23 > U24 > U25 > U26 > tt > U63₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₂ > U22₁ > U23 > U24 > U25 > U26 > tt > U74₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₂ > U22₁ > U23 > U24 > U25 > U26 > tt > U83₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > isQid > tt > U13₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > isQid > tt > U63₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > isQid > tt > U74₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > isQid > tt > U83₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U41 > U42 > U43 > U44 > U45 > U46 > tt > U13₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U41 > U42 > U43 > U44 > U45 > U46 > tt > U63₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U41 > U42 > U43 > U44 > U45 > U46 > tt > U74₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U41 > U42 > U43 > U44 > U45 > U46 > tt > U83₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > isPalListKind > U91 > U92 > tt > U13₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > isPalListKind > U91 > U92 > tt > U63₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > isPalListKind > U91 > U92 > tt > U74₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > isPalListKind > U91 > U92 > tt > U83₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U13₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U63₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U74₁ > __^1₁
isList₁ > U11₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U83₁ > __^1₁
isList₁ > U11₂ > activate₁ > nil > n_{_nil} > __^1₁
isList₁ > U11₂ > activate₁ > a > n_{_a} > __^1₁
isList₁ > U11₂ > activate₁ > e > n_{_e} > __^1₁
isList₁ > U11₂ > activate₁ > i > n_{_i} > __^1₁
isList₁ > U11₂ > activate₁ > o > n_{_o} > __^1₁
isList₁ > U11₂ > activate₁ > u > n_{_u} > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₂ > isPalListKind > U91 > U92 > tt > U13₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₂ > isPalListKind > U91 > U92 > tt > U63₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₂ > isPalListKind > U91 > U92 > tt > U74₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₂ > isPalListKind > U91 > U92 > tt > U83₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₂ > U22₁ > U23 > U24 > U25 > U26 > tt > U13₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₂ > U22₁ > U23 > U24 > U25 > U26 > tt > U63₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₂ > U22₁ > U23 > U24 > U25 > U26 > tt > U74₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₂ > U22₁ > U23 > U24 > U25 > U26 > tt > U83₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > isQid > tt > U13₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > isQid > tt > U63₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > isQid > tt > U74₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > isQid > tt > U83₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U41 > U42 > U43 > U44 > U45 > U46 > tt > U13₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U41 > U42 > U43 > U44 > U45 > U46 > tt > U63₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U41 > U42 > U43 > U44 > U45 > U46 > tt > U74₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U41 > U42 > U43 > U44 > U45 > U46 > tt > U83₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > isPalListKind > U91 > U92 > tt > U13₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > isPalListKind > U91 > U92 > tt > U63₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > isPalListKind > U91 > U92 > tt > U74₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > isPalListKind > U91 > U92 > tt > U83₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U13₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U63₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U74₁ > __^1₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U83₁ > __^1₁
isPal₁ > U81₂ > activate₁ > nil > n_{_nil} > __^1₁
isPal₁ > U81₂ > activate₁ > a > n_{_a} > __^1₁
isPal₁ > U81₂ > activate₁ > e > n_{_e} > __^1₁
isPal₁ > U81₂ > activate₁ > i > n_{_i} > __^1₁
isPal₁ > U81₂ > activate₁ > o > n_{_o} > __^1₁
isPal₁ > U81₂ > activate₁ > u > n_{_u} > __^1₁
isPal₁ > U81₂ > U82₂ > isNePal > U61₁ > isPalListKind > U91 > U92 > tt > U13₁ > __^1₁
isPal₁ > U81₂ > U82₂ > isNePal > U61₁ > isPalListKind > U91 > U92 > tt > U63₁ > __^1₁
isPal₁ > U81₂ > U82₂ > isNePal > U61₁ > isPalListKind > U91 > U92 > tt > U74₁ > __^1₁
isPal₁ > U81₂ > U82₂ > isNePal > U61₁ > isPalListKind > U91 > U92 > tt > U83₁ > __^1₁
isPal₁ > U81₂ > U82₂ > isNePal > U61₁ > U62₁ > isQid > tt > U13₁ > __^1₁
isPal₁ > U81₂ > U82₂ > isNePal > U61₁ > U62₁ > isQid > tt > U63₁ > __^1₁
isPal₁ > U81₂ > U82₂ > isNePal > U61₁ > U62₁ > isQid > tt > U74₁ > __^1₁
isPal₁ > U81₂ > U82₂ > isNePal > U61₁ > U62₁ > isQid > tt > U83₁ > __^1₁
isPal₁ > U81₂ > U82₂ > isNePal > U71 > U72₁ > U73 > isPalListKind > U91 > U92 > tt > U13₁ > __^1₁
isPal₁ > U81₂ > U82₂ > isNePal > U71 > U72₁ > U73 > isPalListKind > U91 > U92 > tt > U63₁ > __^1₁
isPal₁ > U81₂ > U82₂ > isNePal > U71 > U72₁ > U73 > isPalListKind > U91 > U92 > tt > U74₁ > __^1₁
isPal₁ > U81₂ > U82₂ > isNePal > U71 > U72₁ > U73 > isPalListKind > U91 > U92 > tt > U83₁ > __^1₁

Status:

__^1₁: [1]
__₂: [1,2]
nil: []
U11₂: [1,2]
tt: []
U12₂: [1,2]
isPalListKind: []
activate₁: [1]
U13₁: [1]
isNeList: []
U21₂: [1,2]
U22₁: [1]
U23: []
U24: []
U25: []
isList₁: [1]
U26: []
U31₁: [1]
U32: []
U33₁: [1]
isQid: []
U41: []
U42: []
U43: []
U44: []
U45: []
U46: []
U51₁: [1]
U52₁: [1]
U53: []
U54: []
U55: []
U56: []
U61₁: [1]
U62₁: [1]
U63₁: [1]
U71: []
U72₁: [1]
U73: []
isPal₁: [1]
U74₁: [1]
U81₂: [1,2]
U82₂: [1,2]
U83₁: [1]
isNePal: []
U91: []
U92: []
n_{_nil}: []
n_{_{_{_₂}}}: [1,2]
n_{_a}: []
n_{_e}: []
n_{_i}: []
n_{_o}: []
n_{_u}: []
a: []
e: []
i: []
o: []
u: []

The following usable rules [FROCOS05] were oriented:

__(__(X, Y), Z) → __(X, __(Y, Z))
__(X, nil) → X
__(nil, X) → X
U11(tt, V) → U12(isPalListKind(activate(V)), activate(V))
U12(tt, V) → U13(isNeList(activate(V)))
U13(tt) → tt
U21(tt, V1, V2) → U22(isPalListKind(activate(V1)), activate(V1), activate(V2))
U22(tt, V1, V2) → U23(isPalListKind(activate(V2)), activate(V1), activate(V2))
U23(tt, V1, V2) → U24(isPalListKind(activate(V2)), activate(V1), activate(V2))
U24(tt, V1, V2) → U25(isList(activate(V1)), activate(V2))
U25(tt, V2) → U26(isList(activate(V2)))
U26(tt) → tt
U31(tt, V) → U32(isPalListKind(activate(V)), activate(V))
U32(tt, V) → U33(isQid(activate(V)))
U33(tt) → tt
U41(tt, V1, V2) → U42(isPalListKind(activate(V1)), activate(V1), activate(V2))
U42(tt, V1, V2) → U43(isPalListKind(activate(V2)), activate(V1), activate(V2))
U43(tt, V1, V2) → U44(isPalListKind(activate(V2)), activate(V1), activate(V2))
U44(tt, V1, V2) → U45(isList(activate(V1)), activate(V2))
U45(tt, V2) → U46(isNeList(activate(V2)))
U46(tt) → tt
U51(tt, V1, V2) → U52(isPalListKind(activate(V1)), activate(V1), activate(V2))
U52(tt, V1, V2) → U53(isPalListKind(activate(V2)), activate(V1), activate(V2))
U53(tt, V1, V2) → U54(isPalListKind(activate(V2)), activate(V1), activate(V2))
U54(tt, V1, V2) → U55(isNeList(activate(V1)), activate(V2))
U55(tt, V2) → U56(isList(activate(V2)))
U56(tt) → tt
U61(tt, V) → U62(isPalListKind(activate(V)), activate(V))
U62(tt, V) → U63(isQid(activate(V)))
U63(tt) → tt
U71(tt, I, P) → U72(isPalListKind(activate(I)), activate(P))
U72(tt, P) → U73(isPal(activate(P)), activate(P))
U73(tt, P) → U74(isPalListKind(activate(P)))
U74(tt) → tt
U81(tt, V) → U82(isPalListKind(activate(V)), activate(V))
U82(tt, V) → U83(isNePal(activate(V)))
U83(tt) → tt
U91(tt, V2) → U92(isPalListKind(activate(V2)))
U92(tt) → tt
isList(V) → U11(isPalListKind(activate(V)), activate(V))
isList(n__nil) → tt
isList(n____(V1, V2)) → U21(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(V) → U31(isPalListKind(activate(V)), activate(V))
isNeList(n____(V1, V2)) → U41(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(n____(V1, V2)) → U51(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNePal(V) → U61(isPalListKind(activate(V)), activate(V))
isNePal(n____(I, n____(P, I))) → U71(isQid(activate(I)), activate(I), activate(P))
isPal(V) → U81(isPalListKind(activate(V)), activate(V))
isPal(n__nil) → tt
isPalListKind(n__a) → tt
isPalListKind(n__e) → tt
isPalListKind(n__i) → tt
isPalListKind(n__nil) → tt
isPalListKind(n__o) → tt
isPalListKind(n__u) → tt
isPalListKind(n____(V1, V2)) → U91(isPalListKind(activate(V1)), activate(V2))
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
nil → n__nil
__(X1, X2) → n____(X1, X2)
a → n__a
e → n__e
i → n__i
o → n__o
u → n__u
activate(n__nil) → nil
activate(n____(X1, X2)) → __(activate(X1), activate(X2))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(X) → X

(7) Obligation:

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

__(__(X, Y), Z) → __(X, __(Y, Z))
__(X, nil) → X
__(nil, X) → X
U11(tt, V) → U12(isPalListKind(activate(V)), activate(V))
U12(tt, V) → U13(isNeList(activate(V)))
U13(tt) → tt
U21(tt, V1, V2) → U22(isPalListKind(activate(V1)), activate(V1), activate(V2))
U22(tt, V1, V2) → U23(isPalListKind(activate(V2)), activate(V1), activate(V2))
U23(tt, V1, V2) → U24(isPalListKind(activate(V2)), activate(V1), activate(V2))
U24(tt, V1, V2) → U25(isList(activate(V1)), activate(V2))
U25(tt, V2) → U26(isList(activate(V2)))
U26(tt) → tt
U31(tt, V) → U32(isPalListKind(activate(V)), activate(V))
U32(tt, V) → U33(isQid(activate(V)))
U33(tt) → tt
U41(tt, V1, V2) → U42(isPalListKind(activate(V1)), activate(V1), activate(V2))
U42(tt, V1, V2) → U43(isPalListKind(activate(V2)), activate(V1), activate(V2))
U43(tt, V1, V2) → U44(isPalListKind(activate(V2)), activate(V1), activate(V2))
U44(tt, V1, V2) → U45(isList(activate(V1)), activate(V2))
U45(tt, V2) → U46(isNeList(activate(V2)))
U46(tt) → tt
U51(tt, V1, V2) → U52(isPalListKind(activate(V1)), activate(V1), activate(V2))
U52(tt, V1, V2) → U53(isPalListKind(activate(V2)), activate(V1), activate(V2))
U53(tt, V1, V2) → U54(isPalListKind(activate(V2)), activate(V1), activate(V2))
U54(tt, V1, V2) → U55(isNeList(activate(V1)), activate(V2))
U55(tt, V2) → U56(isList(activate(V2)))
U56(tt) → tt
U61(tt, V) → U62(isPalListKind(activate(V)), activate(V))
U62(tt, V) → U63(isQid(activate(V)))
U63(tt) → tt
U71(tt, I, P) → U72(isPalListKind(activate(I)), activate(P))
U72(tt, P) → U73(isPal(activate(P)), activate(P))
U73(tt, P) → U74(isPalListKind(activate(P)))
U74(tt) → tt
U81(tt, V) → U82(isPalListKind(activate(V)), activate(V))
U82(tt, V) → U83(isNePal(activate(V)))
U83(tt) → tt
U91(tt, V2) → U92(isPalListKind(activate(V2)))
U92(tt) → tt
isList(V) → U11(isPalListKind(activate(V)), activate(V))
isList(n__nil) → tt
isList(n____(V1, V2)) → U21(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(V) → U31(isPalListKind(activate(V)), activate(V))
isNeList(n____(V1, V2)) → U41(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(n____(V1, V2)) → U51(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNePal(V) → U61(isPalListKind(activate(V)), activate(V))
isNePal(n____(I, n____(P, I))) → U71(isQid(activate(I)), activate(I), activate(P))
isPal(V) → U81(isPalListKind(activate(V)), activate(V))
isPal(n__nil) → tt
isPalListKind(n__a) → tt
isPalListKind(n__e) → tt
isPalListKind(n__i) → tt
isPalListKind(n__nil) → tt
isPalListKind(n__o) → tt
isPalListKind(n__u) → tt
isPalListKind(n____(V1, V2)) → U91(isPalListKind(activate(V1)), activate(V2))
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
nil → n__nil
__(X1, X2) → n____(X1, X2)
a → n__a
e → n__e
i → n__i
o → n__o
u → n__u
activate(n__nil) → nil
activate(n____(X1, X2)) → __(activate(X1), activate(X2))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(X) → X

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

(8) PisEmptyProof (EQUIVALENT transformation)

The TRS P is empty. Hence, there is no (P,Q,R) chain.

(9) TRUE

(10) Obligation:

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

ACTIVATE(n____(X1, X2)) → ACTIVATE(X2)
ACTIVATE(n____(X1, X2)) → ACTIVATE(X1)

The TRS R consists of the following rules:

__(__(X, Y), Z) → __(X, __(Y, Z))
__(X, nil) → X
__(nil, X) → X
U11(tt, V) → U12(isPalListKind(activate(V)), activate(V))
U12(tt, V) → U13(isNeList(activate(V)))
U13(tt) → tt
U21(tt, V1, V2) → U22(isPalListKind(activate(V1)), activate(V1), activate(V2))
U22(tt, V1, V2) → U23(isPalListKind(activate(V2)), activate(V1), activate(V2))
U23(tt, V1, V2) → U24(isPalListKind(activate(V2)), activate(V1), activate(V2))
U24(tt, V1, V2) → U25(isList(activate(V1)), activate(V2))
U25(tt, V2) → U26(isList(activate(V2)))
U26(tt) → tt
U31(tt, V) → U32(isPalListKind(activate(V)), activate(V))
U32(tt, V) → U33(isQid(activate(V)))
U33(tt) → tt
U41(tt, V1, V2) → U42(isPalListKind(activate(V1)), activate(V1), activate(V2))
U42(tt, V1, V2) → U43(isPalListKind(activate(V2)), activate(V1), activate(V2))
U43(tt, V1, V2) → U44(isPalListKind(activate(V2)), activate(V1), activate(V2))
U44(tt, V1, V2) → U45(isList(activate(V1)), activate(V2))
U45(tt, V2) → U46(isNeList(activate(V2)))
U46(tt) → tt
U51(tt, V1, V2) → U52(isPalListKind(activate(V1)), activate(V1), activate(V2))
U52(tt, V1, V2) → U53(isPalListKind(activate(V2)), activate(V1), activate(V2))
U53(tt, V1, V2) → U54(isPalListKind(activate(V2)), activate(V1), activate(V2))
U54(tt, V1, V2) → U55(isNeList(activate(V1)), activate(V2))
U55(tt, V2) → U56(isList(activate(V2)))
U56(tt) → tt
U61(tt, V) → U62(isPalListKind(activate(V)), activate(V))
U62(tt, V) → U63(isQid(activate(V)))
U63(tt) → tt
U71(tt, I, P) → U72(isPalListKind(activate(I)), activate(P))
U72(tt, P) → U73(isPal(activate(P)), activate(P))
U73(tt, P) → U74(isPalListKind(activate(P)))
U74(tt) → tt
U81(tt, V) → U82(isPalListKind(activate(V)), activate(V))
U82(tt, V) → U83(isNePal(activate(V)))
U83(tt) → tt
U91(tt, V2) → U92(isPalListKind(activate(V2)))
U92(tt) → tt
isList(V) → U11(isPalListKind(activate(V)), activate(V))
isList(n__nil) → tt
isList(n____(V1, V2)) → U21(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(V) → U31(isPalListKind(activate(V)), activate(V))
isNeList(n____(V1, V2)) → U41(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(n____(V1, V2)) → U51(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNePal(V) → U61(isPalListKind(activate(V)), activate(V))
isNePal(n____(I, n____(P, I))) → U71(isQid(activate(I)), activate(I), activate(P))
isPal(V) → U81(isPalListKind(activate(V)), activate(V))
isPal(n__nil) → tt
isPalListKind(n__a) → tt
isPalListKind(n__e) → tt
isPalListKind(n__i) → tt
isPalListKind(n__nil) → tt
isPalListKind(n__o) → tt
isPalListKind(n__u) → tt
isPalListKind(n____(V1, V2)) → U91(isPalListKind(activate(V1)), activate(V2))
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
nil → n__nil
__(X1, X2) → n____(X1, X2)
a → n__a
e → n__e
i → n__i
o → n__o
u → n__u
activate(n__nil) → nil
activate(n____(X1, X2)) → __(activate(X1), activate(X2))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(X) → X

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

(11) QDPOrderProof (EQUIVALENT transformation)

We use the reduction pair processor [LPAR04].

The following pairs can be oriented strictly and are deleted.

ACTIVATE(n____(X1, X2)) → ACTIVATE(X2)
ACTIVATE(n____(X1, X2)) → ACTIVATE(X1)

The remaining pairs can at least be oriented weakly.
Used ordering: Combined order from the following AFS and order.
ACTIVATE(x1) = ACTIVATE(x1)
n____(x1, x2) = n____(x1, x2)
__(x1, x2) = __(x1, x2)
nil = nil
U11(x1, x2) = U11(x1)
tt = tt
U12(x1, x2) = U12(x1)
isPalListKind(x1) = isPalListKind
activate(x1) = activate(x1)
U13(x1) = U13(x1)
isNeList(x1) = isNeList
U21(x1, x2, x3) = U21(x1)
U22(x1, x2, x3) = U22
U23(x1, x2, x3) = U23
U24(x1, x2, x3) = U24
U25(x1, x2) = U25
isList(x1) = isList(x1)
U26(x1) = U26
U31(x1, x2) = U31(x1)
U32(x1, x2) = U32
U33(x1) = U33(x1)
isQid(x1) = isQid
U41(x1, x2, x3) = U41(x1)
U42(x1, x2, x3) = U42(x1)
U43(x1, x2, x3) = U43
U44(x1, x2, x3) = U44
U45(x1, x2) = U45
U46(x1) = U46
U51(x1, x2, x3) = U51(x1)
U52(x1, x2, x3) = U52(x1)
U53(x1, x2, x3) = U53
U54(x1, x2, x3) = U54
U55(x1, x2) = U55
U56(x1) = U56
U61(x1, x2) = U61(x1)
U62(x1, x2) = U62(x1)
U63(x1) = U63(x1)
U71(x1, x2, x3) = U71(x1)
U72(x1, x2) = U72(x1)
U73(x1, x2) = U73
isPal(x1) = isPal(x1)
U74(x1) = U74(x1)
U81(x1, x2) = U81(x1, x2)
U82(x1, x2) = U82(x1, x2)
U83(x1) = U83(x1)
isNePal(x1) = isNePal
U91(x1, x2) = U91
U92(x1) = U92
n__nil = n__nil
n__a = n__a
n__e = n__e
n__i = n__i
n__o = n__o
n__u = n__u
a = a
e = e
i = i
o = o
u = u

Lexicographic path order with status [LPO].
Precedence:

isList₁ > U11₁ > U12₁ > isNeList > U31₁ > U32 > isQid > tt > U13₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U31₁ > U32 > isQid > tt > U33₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U31₁ > U32 > isQid > tt > U63₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U31₁ > U32 > isQid > tt > U74₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U31₁ > U32 > isQid > tt > U83₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U41₁ > isPalListKind > U91 > U92 > tt > U13₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U41₁ > isPalListKind > U91 > U92 > tt > U33₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U41₁ > isPalListKind > U91 > U92 > tt > U63₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U41₁ > isPalListKind > U91 > U92 > tt > U74₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U41₁ > isPalListKind > U91 > U92 > tt > U83₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U41₁ > U42₁ > U43 > U44 > U45 > U46 > tt > U13₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U41₁ > U42₁ > U43 > U44 > U45 > U46 > tt > U33₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U41₁ > U42₁ > U43 > U44 > U45 > U46 > tt > U63₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U41₁ > U42₁ > U43 > U44 > U45 > U46 > tt > U74₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U41₁ > U42₁ > U43 > U44 > U45 > U46 > tt > U83₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U51₁ > isPalListKind > U91 > U92 > tt > U13₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U51₁ > isPalListKind > U91 > U92 > tt > U33₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U51₁ > isPalListKind > U91 > U92 > tt > U63₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U51₁ > isPalListKind > U91 > U92 > tt > U74₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U51₁ > isPalListKind > U91 > U92 > tt > U83₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U13₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U33₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U63₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U74₁ > ACTIVATE₁
isList₁ > U11₁ > U12₁ > isNeList > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U83₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₁ > isPalListKind > U91 > U92 > tt > U13₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₁ > isPalListKind > U91 > U92 > tt > U33₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₁ > isPalListKind > U91 > U92 > tt > U63₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₁ > isPalListKind > U91 > U92 > tt > U74₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₁ > isPalListKind > U91 > U92 > tt > U83₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₁ > U22 > U23 > U24 > U25 > U26 > tt > U13₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₁ > U22 > U23 > U24 > U25 > U26 > tt > U33₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₁ > U22 > U23 > U24 > U25 > U26 > tt > U63₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₁ > U22 > U23 > U24 > U25 > U26 > tt > U74₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₁ > U22 > U23 > U24 > U25 > U26 > tt > U83₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > isQid > tt > U13₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > isQid > tt > U33₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > isQid > tt > U63₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > isQid > tt > U74₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > isQid > tt > U83₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U41₁ > isPalListKind > U91 > U92 > tt > U13₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U41₁ > isPalListKind > U91 > U92 > tt > U33₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U41₁ > isPalListKind > U91 > U92 > tt > U63₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U41₁ > isPalListKind > U91 > U92 > tt > U74₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U41₁ > isPalListKind > U91 > U92 > tt > U83₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U41₁ > U42₁ > U43 > U44 > U45 > U46 > tt > U13₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U41₁ > U42₁ > U43 > U44 > U45 > U46 > tt > U33₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U41₁ > U42₁ > U43 > U44 > U45 > U46 > tt > U63₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U41₁ > U42₁ > U43 > U44 > U45 > U46 > tt > U74₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U41₁ > U42₁ > U43 > U44 > U45 > U46 > tt > U83₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > isPalListKind > U91 > U92 > tt > U13₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > isPalListKind > U91 > U92 > tt > U33₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > isPalListKind > U91 > U92 > tt > U63₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > isPalListKind > U91 > U92 > tt > U74₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > isPalListKind > U91 > U92 > tt > U83₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U13₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U33₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U63₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U74₁ > ACTIVATE₁
isList₁ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U83₁ > ACTIVATE₁
isList₁ > activate₁ > nil > n_{_nil} > ACTIVATE₁
isList₁ > activate₁ > a > n_{_a} > ACTIVATE₁
isList₁ > activate₁ > e > n_{_e} > ACTIVATE₁
isList₁ > activate₁ > i > n_{_i} > ACTIVATE₁
isList₁ > activate₁ > o > n_{_o} > ACTIVATE₁
isList₁ > activate₁ > u > n_{_u} > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₁ > isPalListKind > U91 > U92 > tt > U13₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₁ > isPalListKind > U91 > U92 > tt > U33₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₁ > isPalListKind > U91 > U92 > tt > U63₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₁ > isPalListKind > U91 > U92 > tt > U74₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₁ > isPalListKind > U91 > U92 > tt > U83₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₁ > U22 > U23 > U24 > U25 > U26 > tt > U13₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₁ > U22 > U23 > U24 > U25 > U26 > tt > U33₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₁ > U22 > U23 > U24 > U25 > U26 > tt > U63₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₁ > U22 > U23 > U24 > U25 > U26 > tt > U74₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U21₁ > U22 > U23 > U24 > U25 > U26 > tt > U83₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > isQid > tt > U13₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > isQid > tt > U33₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > isQid > tt > U63₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > isQid > tt > U74₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > isQid > tt > U83₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U41₁ > isPalListKind > U91 > U92 > tt > U13₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U41₁ > isPalListKind > U91 > U92 > tt > U33₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U41₁ > isPalListKind > U91 > U92 > tt > U63₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U41₁ > isPalListKind > U91 > U92 > tt > U74₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U41₁ > isPalListKind > U91 > U92 > tt > U83₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U41₁ > U42₁ > U43 > U44 > U45 > U46 > tt > U13₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U41₁ > U42₁ > U43 > U44 > U45 > U46 > tt > U33₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U41₁ > U42₁ > U43 > U44 > U45 > U46 > tt > U63₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U41₁ > U42₁ > U43 > U44 > U45 > U46 > tt > U74₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U41₁ > U42₁ > U43 > U44 > U45 > U46 > tt > U83₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > isPalListKind > U91 > U92 > tt > U13₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > isPalListKind > U91 > U92 > tt > U33₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > isPalListKind > U91 > U92 > tt > U63₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > isPalListKind > U91 > U92 > tt > U74₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > isPalListKind > U91 > U92 > tt > U83₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U13₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U33₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U63₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U74₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > __₂ > n_{_{_{_₂}}} > U51₁ > U52₁ > U53 > U54 > U55 > U56 > tt > U83₁ > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > nil > n_{_nil} > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > a > n_{_a} > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > e > n_{_e} > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > i > n_{_i} > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > o > n_{_o} > ACTIVATE₁
isPal₁ > U81₂ > activate₁ > u > n_{_u} > ACTIVATE₁
isPal₁ > U81₂ > U82₂ > isNePal > U61₁ > isPalListKind > U91 > U92 > tt > U13₁ > ACTIVATE₁
isPal₁ > U81₂ > U82₂ > isNePal > U61₁ > isPalListKind > U91 > U92 > tt > U33₁ > ACTIVATE₁
isPal₁ > U81₂ > U82₂ > isNePal > U61₁ > isPalListKind > U91 > U92 > tt > U63₁ > ACTIVATE₁
isPal₁ > U81₂ > U82₂ > isNePal > U61₁ > isPalListKind > U91 > U92 > tt > U74₁ > ACTIVATE₁
isPal₁ > U81₂ > U82₂ > isNePal > U61₁ > isPalListKind > U91 > U92 > tt > U83₁ > ACTIVATE₁
isPal₁ > U81₂ > U82₂ > isNePal > U61₁ > U62₁ > isQid > tt > U13₁ > ACTIVATE₁
isPal₁ > U81₂ > U82₂ > isNePal > U61₁ > U62₁ > isQid > tt > U33₁ > ACTIVATE₁
isPal₁ > U81₂ > U82₂ > isNePal > U61₁ > U62₁ > isQid > tt > U63₁ > ACTIVATE₁
isPal₁ > U81₂ > U82₂ > isNePal > U61₁ > U62₁ > isQid > tt > U74₁ > ACTIVATE₁
isPal₁ > U81₂ > U82₂ > isNePal > U61₁ > U62₁ > isQid > tt > U83₁ > ACTIVATE₁
isPal₁ > U81₂ > U82₂ > isNePal > U71₁ > U72₁ > U73 > isPalListKind > U91 > U92 > tt > U13₁ > ACTIVATE₁
isPal₁ > U81₂ > U82₂ > isNePal > U71₁ > U72₁ > U73 > isPalListKind > U91 > U92 > tt > U33₁ > ACTIVATE₁
isPal₁ > U81₂ > U82₂ > isNePal > U71₁ > U72₁ > U73 > isPalListKind > U91 > U92 > tt > U63₁ > ACTIVATE₁
isPal₁ > U81₂ > U82₂ > isNePal > U71₁ > U72₁ > U73 > isPalListKind > U91 > U92 > tt > U74₁ > ACTIVATE₁
isPal₁ > U81₂ > U82₂ > isNePal > U71₁ > U72₁ > U73 > isPalListKind > U91 > U92 > tt > U83₁ > ACTIVATE₁

Status:

ACTIVATE₁: [1]
n_{_{_{_₂}}}: [1,2]
__₂: [1,2]
nil: []
U11₁: [1]
tt: []
U12₁: [1]
isPalListKind: []
activate₁: [1]
U13₁: [1]
isNeList: []
U21₁: [1]
U22: []
U23: []
U24: []
U25: []
isList₁: [1]
U26: []
U31₁: [1]
U32: []
U33₁: [1]
isQid: []
U41₁: [1]
U42₁: [1]
U43: []
U44: []
U45: []
U46: []
U51₁: [1]
U52₁: [1]
U53: []
U54: []
U55: []
U56: []
U61₁: [1]
U62₁: [1]
U63₁: [1]
U71₁: [1]
U72₁: [1]
U73: []
isPal₁: [1]
U74₁: [1]
U81₂: [1,2]
U82₂: [1,2]
U83₁: [1]
isNePal: []
U91: []
U92: []
n_{_nil}: []
n_{_a}: []
n_{_e}: []
n_{_i}: []
n_{_o}: []
n_{_u}: []
a: []
e: []
i: []
o: []
u: []

The following usable rules [FROCOS05] were oriented:

__(__(X, Y), Z) → __(X, __(Y, Z))
__(X, nil) → X
__(nil, X) → X
U11(tt, V) → U12(isPalListKind(activate(V)), activate(V))
U12(tt, V) → U13(isNeList(activate(V)))
U13(tt) → tt
U21(tt, V1, V2) → U22(isPalListKind(activate(V1)), activate(V1), activate(V2))
U22(tt, V1, V2) → U23(isPalListKind(activate(V2)), activate(V1), activate(V2))
U23(tt, V1, V2) → U24(isPalListKind(activate(V2)), activate(V1), activate(V2))
U24(tt, V1, V2) → U25(isList(activate(V1)), activate(V2))
U25(tt, V2) → U26(isList(activate(V2)))
U26(tt) → tt
U31(tt, V) → U32(isPalListKind(activate(V)), activate(V))
U32(tt, V) → U33(isQid(activate(V)))
U33(tt) → tt
U41(tt, V1, V2) → U42(isPalListKind(activate(V1)), activate(V1), activate(V2))
U42(tt, V1, V2) → U43(isPalListKind(activate(V2)), activate(V1), activate(V2))
U43(tt, V1, V2) → U44(isPalListKind(activate(V2)), activate(V1), activate(V2))
U44(tt, V1, V2) → U45(isList(activate(V1)), activate(V2))
U45(tt, V2) → U46(isNeList(activate(V2)))
U46(tt) → tt
U51(tt, V1, V2) → U52(isPalListKind(activate(V1)), activate(V1), activate(V2))
U52(tt, V1, V2) → U53(isPalListKind(activate(V2)), activate(V1), activate(V2))
U53(tt, V1, V2) → U54(isPalListKind(activate(V2)), activate(V1), activate(V2))
U54(tt, V1, V2) → U55(isNeList(activate(V1)), activate(V2))
U55(tt, V2) → U56(isList(activate(V2)))
U56(tt) → tt
U61(tt, V) → U62(isPalListKind(activate(V)), activate(V))
U62(tt, V) → U63(isQid(activate(V)))
U63(tt) → tt
U71(tt, I, P) → U72(isPalListKind(activate(I)), activate(P))
U72(tt, P) → U73(isPal(activate(P)), activate(P))
U73(tt, P) → U74(isPalListKind(activate(P)))
U74(tt) → tt
U81(tt, V) → U82(isPalListKind(activate(V)), activate(V))
U82(tt, V) → U83(isNePal(activate(V)))
U83(tt) → tt
U91(tt, V2) → U92(isPalListKind(activate(V2)))
U92(tt) → tt
isList(V) → U11(isPalListKind(activate(V)), activate(V))
isList(n__nil) → tt
isList(n____(V1, V2)) → U21(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(V) → U31(isPalListKind(activate(V)), activate(V))
isNeList(n____(V1, V2)) → U41(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(n____(V1, V2)) → U51(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNePal(V) → U61(isPalListKind(activate(V)), activate(V))
isNePal(n____(I, n____(P, I))) → U71(isQid(activate(I)), activate(I), activate(P))
isPal(V) → U81(isPalListKind(activate(V)), activate(V))
isPal(n__nil) → tt
isPalListKind(n__a) → tt
isPalListKind(n__e) → tt
isPalListKind(n__i) → tt
isPalListKind(n__nil) → tt
isPalListKind(n__o) → tt
isPalListKind(n__u) → tt
isPalListKind(n____(V1, V2)) → U91(isPalListKind(activate(V1)), activate(V2))
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
nil → n__nil
__(X1, X2) → n____(X1, X2)
a → n__a
e → n__e
i → n__i
o → n__o
u → n__u
activate(n__nil) → nil
activate(n____(X1, X2)) → __(activate(X1), activate(X2))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(X) → X

(12) Obligation:

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

__(__(X, Y), Z) → __(X, __(Y, Z))
__(X, nil) → X
__(nil, X) → X
U11(tt, V) → U12(isPalListKind(activate(V)), activate(V))
U12(tt, V) → U13(isNeList(activate(V)))
U13(tt) → tt
U21(tt, V1, V2) → U22(isPalListKind(activate(V1)), activate(V1), activate(V2))
U22(tt, V1, V2) → U23(isPalListKind(activate(V2)), activate(V1), activate(V2))
U23(tt, V1, V2) → U24(isPalListKind(activate(V2)), activate(V1), activate(V2))
U24(tt, V1, V2) → U25(isList(activate(V1)), activate(V2))
U25(tt, V2) → U26(isList(activate(V2)))
U26(tt) → tt
U31(tt, V) → U32(isPalListKind(activate(V)), activate(V))
U32(tt, V) → U33(isQid(activate(V)))
U33(tt) → tt
U41(tt, V1, V2) → U42(isPalListKind(activate(V1)), activate(V1), activate(V2))
U42(tt, V1, V2) → U43(isPalListKind(activate(V2)), activate(V1), activate(V2))
U43(tt, V1, V2) → U44(isPalListKind(activate(V2)), activate(V1), activate(V2))
U44(tt, V1, V2) → U45(isList(activate(V1)), activate(V2))
U45(tt, V2) → U46(isNeList(activate(V2)))
U46(tt) → tt
U51(tt, V1, V2) → U52(isPalListKind(activate(V1)), activate(V1), activate(V2))
U52(tt, V1, V2) → U53(isPalListKind(activate(V2)), activate(V1), activate(V2))
U53(tt, V1, V2) → U54(isPalListKind(activate(V2)), activate(V1), activate(V2))
U54(tt, V1, V2) → U55(isNeList(activate(V1)), activate(V2))
U55(tt, V2) → U56(isList(activate(V2)))
U56(tt) → tt
U61(tt, V) → U62(isPalListKind(activate(V)), activate(V))
U62(tt, V) → U63(isQid(activate(V)))
U63(tt) → tt
U71(tt, I, P) → U72(isPalListKind(activate(I)), activate(P))
U72(tt, P) → U73(isPal(activate(P)), activate(P))
U73(tt, P) → U74(isPalListKind(activate(P)))
U74(tt) → tt
U81(tt, V) → U82(isPalListKind(activate(V)), activate(V))
U82(tt, V) → U83(isNePal(activate(V)))
U83(tt) → tt
U91(tt, V2) → U92(isPalListKind(activate(V2)))
U92(tt) → tt
isList(V) → U11(isPalListKind(activate(V)), activate(V))
isList(n__nil) → tt
isList(n____(V1, V2)) → U21(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(V) → U31(isPalListKind(activate(V)), activate(V))
isNeList(n____(V1, V2)) → U41(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(n____(V1, V2)) → U51(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNePal(V) → U61(isPalListKind(activate(V)), activate(V))
isNePal(n____(I, n____(P, I))) → U71(isQid(activate(I)), activate(I), activate(P))
isPal(V) → U81(isPalListKind(activate(V)), activate(V))
isPal(n__nil) → tt
isPalListKind(n__a) → tt
isPalListKind(n__e) → tt
isPalListKind(n__i) → tt
isPalListKind(n__nil) → tt
isPalListKind(n__o) → tt
isPalListKind(n__u) → tt
isPalListKind(n____(V1, V2)) → U91(isPalListKind(activate(V1)), activate(V2))
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
nil → n__nil
__(X1, X2) → n____(X1, X2)
a → n__a
e → n__e
i → n__i
o → n__o
u → n__u
activate(n__nil) → nil
activate(n____(X1, X2)) → __(activate(X1), activate(X2))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(X) → X

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

(13) PisEmptyProof (EQUIVALENT transformation)

The TRS P is empty. Hence, there is no (P,Q,R) chain.

(14) TRUE

(15) Obligation:

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

U91¹(tt, V2) → ISPALLISTKIND(activate(V2))
ISPALLISTKIND(n____(V1, V2)) → U91¹(isPalListKind(activate(V1)), activate(V2))
ISPALLISTKIND(n____(V1, V2)) → ISPALLISTKIND(activate(V1))

The TRS R consists of the following rules:

__(__(X, Y), Z) → __(X, __(Y, Z))
__(X, nil) → X
__(nil, X) → X
U11(tt, V) → U12(isPalListKind(activate(V)), activate(V))
U12(tt, V) → U13(isNeList(activate(V)))
U13(tt) → tt
U21(tt, V1, V2) → U22(isPalListKind(activate(V1)), activate(V1), activate(V2))
U22(tt, V1, V2) → U23(isPalListKind(activate(V2)), activate(V1), activate(V2))
U23(tt, V1, V2) → U24(isPalListKind(activate(V2)), activate(V1), activate(V2))
U24(tt, V1, V2) → U25(isList(activate(V1)), activate(V2))
U25(tt, V2) → U26(isList(activate(V2)))
U26(tt) → tt
U31(tt, V) → U32(isPalListKind(activate(V)), activate(V))
U32(tt, V) → U33(isQid(activate(V)))
U33(tt) → tt
U41(tt, V1, V2) → U42(isPalListKind(activate(V1)), activate(V1), activate(V2))
U42(tt, V1, V2) → U43(isPalListKind(activate(V2)), activate(V1), activate(V2))
U43(tt, V1, V2) → U44(isPalListKind(activate(V2)), activate(V1), activate(V2))
U44(tt, V1, V2) → U45(isList(activate(V1)), activate(V2))
U45(tt, V2) → U46(isNeList(activate(V2)))
U46(tt) → tt
U51(tt, V1, V2) → U52(isPalListKind(activate(V1)), activate(V1), activate(V2))
U52(tt, V1, V2) → U53(isPalListKind(activate(V2)), activate(V1), activate(V2))
U53(tt, V1, V2) → U54(isPalListKind(activate(V2)), activate(V1), activate(V2))
U54(tt, V1, V2) → U55(isNeList(activate(V1)), activate(V2))
U55(tt, V2) → U56(isList(activate(V2)))
U56(tt) → tt
U61(tt, V) → U62(isPalListKind(activate(V)), activate(V))
U62(tt, V) → U63(isQid(activate(V)))
U63(tt) → tt
U71(tt, I, P) → U72(isPalListKind(activate(I)), activate(P))
U72(tt, P) → U73(isPal(activate(P)), activate(P))
U73(tt, P) → U74(isPalListKind(activate(P)))
U74(tt) → tt
U81(tt, V) → U82(isPalListKind(activate(V)), activate(V))
U82(tt, V) → U83(isNePal(activate(V)))
U83(tt) → tt
U91(tt, V2) → U92(isPalListKind(activate(V2)))
U92(tt) → tt
isList(V) → U11(isPalListKind(activate(V)), activate(V))
isList(n__nil) → tt
isList(n____(V1, V2)) → U21(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(V) → U31(isPalListKind(activate(V)), activate(V))
isNeList(n____(V1, V2)) → U41(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(n____(V1, V2)) → U51(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNePal(V) → U61(isPalListKind(activate(V)), activate(V))
isNePal(n____(I, n____(P, I))) → U71(isQid(activate(I)), activate(I), activate(P))
isPal(V) → U81(isPalListKind(activate(V)), activate(V))
isPal(n__nil) → tt
isPalListKind(n__a) → tt
isPalListKind(n__e) → tt
isPalListKind(n__i) → tt
isPalListKind(n__nil) → tt
isPalListKind(n__o) → tt
isPalListKind(n__u) → tt
isPalListKind(n____(V1, V2)) → U91(isPalListKind(activate(V1)), activate(V2))
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
nil → n__nil
__(X1, X2) → n____(X1, X2)
a → n__a
e → n__e
i → n__i
o → n__o
u → n__u
activate(n__nil) → nil
activate(n____(X1, X2)) → __(activate(X1), activate(X2))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(X) → X

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

(16) Obligation:

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

ISNEPAL(n____(I, n____(P, I))) → U71¹(isQid(activate(I)), activate(I), activate(P))
U71¹(tt, I, P) → U72¹(isPalListKind(activate(I)), activate(P))
U72¹(tt, P) → ISPAL(activate(P))
ISPAL(V) → U81¹(isPalListKind(activate(V)), activate(V))
U81¹(tt, V) → U82¹(isPalListKind(activate(V)), activate(V))
U82¹(tt, V) → ISNEPAL(activate(V))

The TRS R consists of the following rules:

__(__(X, Y), Z) → __(X, __(Y, Z))
__(X, nil) → X
__(nil, X) → X
U11(tt, V) → U12(isPalListKind(activate(V)), activate(V))
U12(tt, V) → U13(isNeList(activate(V)))
U13(tt) → tt
U21(tt, V1, V2) → U22(isPalListKind(activate(V1)), activate(V1), activate(V2))
U22(tt, V1, V2) → U23(isPalListKind(activate(V2)), activate(V1), activate(V2))
U23(tt, V1, V2) → U24(isPalListKind(activate(V2)), activate(V1), activate(V2))
U24(tt, V1, V2) → U25(isList(activate(V1)), activate(V2))
U25(tt, V2) → U26(isList(activate(V2)))
U26(tt) → tt
U31(tt, V) → U32(isPalListKind(activate(V)), activate(V))
U32(tt, V) → U33(isQid(activate(V)))
U33(tt) → tt
U41(tt, V1, V2) → U42(isPalListKind(activate(V1)), activate(V1), activate(V2))
U42(tt, V1, V2) → U43(isPalListKind(activate(V2)), activate(V1), activate(V2))
U43(tt, V1, V2) → U44(isPalListKind(activate(V2)), activate(V1), activate(V2))
U44(tt, V1, V2) → U45(isList(activate(V1)), activate(V2))
U45(tt, V2) → U46(isNeList(activate(V2)))
U46(tt) → tt
U51(tt, V1, V2) → U52(isPalListKind(activate(V1)), activate(V1), activate(V2))
U52(tt, V1, V2) → U53(isPalListKind(activate(V2)), activate(V1), activate(V2))
U53(tt, V1, V2) → U54(isPalListKind(activate(V2)), activate(V1), activate(V2))
U54(tt, V1, V2) → U55(isNeList(activate(V1)), activate(V2))
U55(tt, V2) → U56(isList(activate(V2)))
U56(tt) → tt
U61(tt, V) → U62(isPalListKind(activate(V)), activate(V))
U62(tt, V) → U63(isQid(activate(V)))
U63(tt) → tt
U71(tt, I, P) → U72(isPalListKind(activate(I)), activate(P))
U72(tt, P) → U73(isPal(activate(P)), activate(P))
U73(tt, P) → U74(isPalListKind(activate(P)))
U74(tt) → tt
U81(tt, V) → U82(isPalListKind(activate(V)), activate(V))
U82(tt, V) → U83(isNePal(activate(V)))
U83(tt) → tt
U91(tt, V2) → U92(isPalListKind(activate(V2)))
U92(tt) → tt
isList(V) → U11(isPalListKind(activate(V)), activate(V))
isList(n__nil) → tt
isList(n____(V1, V2)) → U21(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(V) → U31(isPalListKind(activate(V)), activate(V))
isNeList(n____(V1, V2)) → U41(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(n____(V1, V2)) → U51(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNePal(V) → U61(isPalListKind(activate(V)), activate(V))
isNePal(n____(I, n____(P, I))) → U71(isQid(activate(I)), activate(I), activate(P))
isPal(V) → U81(isPalListKind(activate(V)), activate(V))
isPal(n__nil) → tt
isPalListKind(n__a) → tt
isPalListKind(n__e) → tt
isPalListKind(n__i) → tt
isPalListKind(n__nil) → tt
isPalListKind(n__o) → tt
isPalListKind(n__u) → tt
isPalListKind(n____(V1, V2)) → U91(isPalListKind(activate(V1)), activate(V2))
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
nil → n__nil
__(X1, X2) → n____(X1, X2)
a → n__a
e → n__e
i → n__i
o → n__o
u → n__u
activate(n__nil) → nil
activate(n____(X1, X2)) → __(activate(X1), activate(X2))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(X) → X

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

(17) Obligation:

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

U11¹(tt, V) → U12¹(isPalListKind(activate(V)), activate(V))
U12¹(tt, V) → ISNELIST(activate(V))
ISNELIST(n____(V1, V2)) → U41¹(isPalListKind(activate(V1)), activate(V1), activate(V2))
U41¹(tt, V1, V2) → U42¹(isPalListKind(activate(V1)), activate(V1), activate(V2))
U42¹(tt, V1, V2) → U43¹(isPalListKind(activate(V2)), activate(V1), activate(V2))
U43¹(tt, V1, V2) → U44¹(isPalListKind(activate(V2)), activate(V1), activate(V2))
U44¹(tt, V1, V2) → U45¹(isList(activate(V1)), activate(V2))
U45¹(tt, V2) → ISNELIST(activate(V2))
ISNELIST(n____(V1, V2)) → U51¹(isPalListKind(activate(V1)), activate(V1), activate(V2))
U51¹(tt, V1, V2) → U52¹(isPalListKind(activate(V1)), activate(V1), activate(V2))
U52¹(tt, V1, V2) → U53¹(isPalListKind(activate(V2)), activate(V1), activate(V2))
U53¹(tt, V1, V2) → U54¹(isPalListKind(activate(V2)), activate(V1), activate(V2))
U54¹(tt, V1, V2) → U55¹(isNeList(activate(V1)), activate(V2))
U55¹(tt, V2) → ISLIST(activate(V2))
ISLIST(V) → U11¹(isPalListKind(activate(V)), activate(V))
ISLIST(n____(V1, V2)) → U21¹(isPalListKind(activate(V1)), activate(V1), activate(V2))
U21¹(tt, V1, V2) → U22¹(isPalListKind(activate(V1)), activate(V1), activate(V2))
U22¹(tt, V1, V2) → U23¹(isPalListKind(activate(V2)), activate(V1), activate(V2))
U23¹(tt, V1, V2) → U24¹(isPalListKind(activate(V2)), activate(V1), activate(V2))
U24¹(tt, V1, V2) → U25¹(isList(activate(V1)), activate(V2))
U25¹(tt, V2) → ISLIST(activate(V2))
U24¹(tt, V1, V2) → ISLIST(activate(V1))
U54¹(tt, V1, V2) → ISNELIST(activate(V1))
U44¹(tt, V1, V2) → ISLIST(activate(V1))

The TRS R consists of the following rules:

__(__(X, Y), Z) → __(X, __(Y, Z))
__(X, nil) → X
__(nil, X) → X
U11(tt, V) → U12(isPalListKind(activate(V)), activate(V))
U12(tt, V) → U13(isNeList(activate(V)))
U13(tt) → tt
U21(tt, V1, V2) → U22(isPalListKind(activate(V1)), activate(V1), activate(V2))
U22(tt, V1, V2) → U23(isPalListKind(activate(V2)), activate(V1), activate(V2))
U23(tt, V1, V2) → U24(isPalListKind(activate(V2)), activate(V1), activate(V2))
U24(tt, V1, V2) → U25(isList(activate(V1)), activate(V2))
U25(tt, V2) → U26(isList(activate(V2)))
U26(tt) → tt
U31(tt, V) → U32(isPalListKind(activate(V)), activate(V))
U32(tt, V) → U33(isQid(activate(V)))
U33(tt) → tt
U41(tt, V1, V2) → U42(isPalListKind(activate(V1)), activate(V1), activate(V2))
U42(tt, V1, V2) → U43(isPalListKind(activate(V2)), activate(V1), activate(V2))
U43(tt, V1, V2) → U44(isPalListKind(activate(V2)), activate(V1), activate(V2))
U44(tt, V1, V2) → U45(isList(activate(V1)), activate(V2))
U45(tt, V2) → U46(isNeList(activate(V2)))
U46(tt) → tt
U51(tt, V1, V2) → U52(isPalListKind(activate(V1)), activate(V1), activate(V2))
U52(tt, V1, V2) → U53(isPalListKind(activate(V2)), activate(V1), activate(V2))
U53(tt, V1, V2) → U54(isPalListKind(activate(V2)), activate(V1), activate(V2))
U54(tt, V1, V2) → U55(isNeList(activate(V1)), activate(V2))
U55(tt, V2) → U56(isList(activate(V2)))
U56(tt) → tt
U61(tt, V) → U62(isPalListKind(activate(V)), activate(V))
U62(tt, V) → U63(isQid(activate(V)))
U63(tt) → tt
U71(tt, I, P) → U72(isPalListKind(activate(I)), activate(P))
U72(tt, P) → U73(isPal(activate(P)), activate(P))
U73(tt, P) → U74(isPalListKind(activate(P)))
U74(tt) → tt
U81(tt, V) → U82(isPalListKind(activate(V)), activate(V))
U82(tt, V) → U83(isNePal(activate(V)))
U83(tt) → tt
U91(tt, V2) → U92(isPalListKind(activate(V2)))
U92(tt) → tt
isList(V) → U11(isPalListKind(activate(V)), activate(V))
isList(n__nil) → tt
isList(n____(V1, V2)) → U21(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(V) → U31(isPalListKind(activate(V)), activate(V))
isNeList(n____(V1, V2)) → U41(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNeList(n____(V1, V2)) → U51(isPalListKind(activate(V1)), activate(V1), activate(V2))
isNePal(V) → U61(isPalListKind(activate(V)), activate(V))
isNePal(n____(I, n____(P, I))) → U71(isQid(activate(I)), activate(I), activate(P))
isPal(V) → U81(isPalListKind(activate(V)), activate(V))
isPal(n__nil) → tt
isPalListKind(n__a) → tt
isPalListKind(n__e) → tt
isPalListKind(n__i) → tt
isPalListKind(n__nil) → tt
isPalListKind(n__o) → tt
isPalListKind(n__u) → tt
isPalListKind(n____(V1, V2)) → U91(isPalListKind(activate(V1)), activate(V2))
isQid(n__a) → tt
isQid(n__e) → tt
isQid(n__i) → tt
isQid(n__o) → tt
isQid(n__u) → tt
nil → n__nil
__(X1, X2) → n____(X1, X2)
a → n__a
e → n__e
i → n__i
o → n__o
u → n__u
activate(n__nil) → nil
activate(n____(X1, X2)) → __(activate(X1), activate(X2))
activate(n__a) → a
activate(n__e) → e
activate(n__i) → i
activate(n__o) → o
activate(n__u) → u
activate(X) → X

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