NO 0.08/0.17 NO 0.08/0.18 0.08/0.18 Problem: 0.08/0.18 2nd(cons(X)) -> head(XS) 0.08/0.18 sel(s(N),cons(X)) -> sel(N,XS) 0.08/0.18 from(X) -> cons(X) 0.08/0.18 head(cons(X)) -> X 0.08/0.18 take(0(),XS) -> nil() 0.08/0.18 take(s(N),cons(X)) -> cons(X) 0.08/0.18 sel(0(),cons(X)) -> X 0.08/0.18 0.08/0.18 Proof: 0.08/0.18 Fresh Variable Processor: 0.08/0.18 loop length: 1 0.08/0.18 terms: 0.08/0.18 2nd(cons(X)) 0.08/0.18 context: head([]) 0.08/0.18 substitution: 0.08/0.18 XS -> 2nd(cons(X)) 0.08/0.18 Qed 0.08/0.18 EOF