NO
0.09/0.17	NO
0.09/0.17	
0.09/0.17	Problem:
0.09/0.17	 tail(cons(X)) -> L
0.09/0.17	 incr(nil()) -> nil()
0.09/0.17	 incr(cons(X)) -> cons(s(X))
0.09/0.17	 adx(nil()) -> nil()
0.09/0.17	 adx(cons(X)) -> incr(cons(X))
0.09/0.17	 nats() -> adx(zeros())
0.09/0.17	 zeros() -> cons(0())
0.09/0.17	 head(cons(X)) -> X
0.09/0.17	
0.09/0.17	Proof:
0.09/0.17	 Fresh Variable Processor:
0.09/0.17	  loop length: 1
0.09/0.17	  terms:
0.09/0.17	   tail(cons(X))
0.09/0.17	  context: []
0.09/0.17	  substitution:
0.09/0.17	   L -> tail(cons(X))
0.09/0.17	  Qed
0.09/0.17	EOF