NO
0.08/0.17	NO
0.08/0.17	
0.08/0.17	Problem:
0.08/0.17	 sel(s(X),cons(Y)) -> sel(X,Z)
0.08/0.17	 from(X) -> cons(X)
0.08/0.17	 first(0(),Z) -> nil()
0.08/0.17	 first(s(X),cons(Y)) -> cons(Y)
0.08/0.17	 sel(0(),cons(X)) -> X
0.08/0.17	
0.08/0.17	Proof:
0.08/0.17	 Fresh Variable Processor:
0.08/0.17	  loop length: 1
0.08/0.17	  terms:
0.08/0.17	   sel(s(X),cons(Y))
0.08/0.17	  context: sel(X,[])
0.08/0.17	  substitution:
0.08/0.17	   Z -> sel(s(X),cons(Y))
0.08/0.17	  Qed
0.08/0.18	EOF