NO 0.08/0.18 NO 0.08/0.18 0.08/0.18 Problem: 0.08/0.18 and(tt()) -> X 0.08/0.18 length(cons(N)) -> s(length(L)) 0.08/0.18 zeros() -> cons(0()) 0.08/0.18 length(nil()) -> 0() 0.08/0.18 take(0(),IL) -> nil() 0.08/0.18 take(s(M),cons(N)) -> cons(N) 0.08/0.18 0.08/0.18 Proof: 0.08/0.18 Fresh Variable Processor: loop length: 1 0.08/0.18 terms: 0.08/0.18 and(tt()) 0.08/0.18 context: [] 0.08/0.18 substitution: 0.08/0.18 X -> and(tt()) 0.08/0.18 Qed 0.08/0.18 EOF