NO 0.07/0.17 NO 0.07/0.17 0.07/0.17 Problem: 0.07/0.17 2nd(cons(X)) -> 2nd(cons1(X,X1)) 0.07/0.17 2nd(cons1(X,cons(Y))) -> Y 0.07/0.17 from(X) -> cons(X) 0.07/0.17 0.07/0.17 Proof: 0.07/0.17 Fresh Variable Processor: 0.07/0.17 loop length: 1 0.07/0.17 terms: 0.07/0.17 2nd(cons(X)) 0.07/0.17 context: 2nd(cons1(X,[])) 0.07/0.17 substitution: 0.07/0.17 X1 -> 2nd(cons(X)) 0.07/0.17 Qed 0.07/0.18 EOF