/home/nowonder/forschung/aprove/TPDB05/TRS/TRCSR/Ex4_7_56_Bor03_C.trs

The program

(VAR X XS N X1 X2)
(RULES 
active(from(X)) -> mark(cons(X,from(s(X))))
active(after(0,XS)) -> mark(XS)
active(after(s(N),cons(X,XS))) -> mark(after(N,XS))
active(from(X)) -> from(active(X))
active(cons(X1,X2)) -> cons(active(X1),X2)
active(s(X)) -> s(active(X))
active(after(X1,X2)) -> after(active(X1),X2)
active(after(X1,X2)) -> after(X1,active(X2))
from(mark(X)) -> mark(from(X))
cons(mark(X1),X2) -> mark(cons(X1,X2))
s(mark(X)) -> mark(s(X))
after(mark(X1),X2) -> mark(after(X1,X2))
after(X1,mark(X2)) -> mark(after(X1,X2))
proper(from(X)) -> from(proper(X))
proper(cons(X1,X2)) -> cons(proper(X1),proper(X2))
proper(s(X)) -> s(proper(X))
proper(after(X1,X2)) -> after(proper(X1),proper(X2))
proper(0) -> ok(0)
from(ok(X)) -> ok(from(X))
cons(ok(X1),ok(X2)) -> ok(cons(X1,X2))
s(ok(X)) -> ok(s(X))
after(ok(X1),ok(X2)) -> ok(after(X1,X2))
top(mark(X)) -> top(proper(X))
top(ok(X)) -> top(active(X))
)

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