NO 0.09/0.18 NO 0.09/0.18 0.09/0.18 Problem: 0.09/0.18 sel(s(X),cons(Y)) -> sel(X,Z) 0.09/0.18 f(X) -> cons(X) 0.09/0.18 g(0()) -> s(0()) 0.09/0.18 g(s(X)) -> s(s(g(X))) 0.09/0.18 sel(0(),cons(X)) -> X 0.09/0.18 0.09/0.18 Proof: 0.09/0.18 Fresh Variable Processor: 0.09/0.18 loop length: 1 0.09/0.18 terms: 0.09/0.18 sel(s(X),cons(Y)) 0.09/0.18 context: sel(X,[]) 0.09/0.18 substitution: 0.09/0.18 Z -> sel(s(X),cons(Y)) 0.09/0.18 Qed 0.09/0.18 EOF