MAYBE 0.08/0.18 MAYBE 0.08/0.18 0.08/0.18 Problem: 0.08/0.18 fst(0(),Z) -> nil() 0.08/0.18 fst(s(X),cons(Y,Z)) -> cons(Y,n__fst(activate(X),activate(Z))) 0.08/0.18 from(X) -> cons(X,n__from(s(X))) 0.08/0.18 add(0(),X) -> X 0.08/0.18 add(s(X),Y) -> s(n__add(activate(X),Y)) 0.08/0.18 len(nil()) -> 0() 0.08/0.18 len(cons(X,Z)) -> s(n__len(activate(Z))) 0.08/0.18 fst(X1,X2) -> n__fst(X1,X2) 0.08/0.18 from(X) -> n__from(X) 0.08/0.18 add(X1,X2) -> n__add(X1,X2) 0.08/0.18 len(X) -> n__len(X) 0.08/0.18 activate(n__fst(X1,X2)) -> fst(X1,X2) 0.08/0.18 activate(n__from(X)) -> from(X) 0.08/0.18 activate(n__add(X1,X2)) -> add(X1,X2) 0.08/0.18 activate(n__len(X)) -> len(X) 0.08/0.18 activate(X) -> X 0.08/0.18 0.08/0.18 Proof: 0.08/0.18 Open 0.08/0.19 EOF