MAYBE
0.07/0.18	MAYBE
0.07/0.19	
0.07/0.19	Problem:
0.07/0.19	 last(nil()) -> 0()
0.07/0.19	 last(cons(x,nil())) -> x
0.07/0.19	 last(cons(x,cons(y,xs))) -> last(cons(y,xs))
0.07/0.19	 del(x,nil()) -> nil()
0.07/0.19	 del(x,cons(y,xs)) -> if(eq(x,y),x,y,xs)
0.07/0.19	 if(true(),x,y,xs) -> xs
0.07/0.19	 if(false(),x,y,xs) -> cons(y,del(x,xs))
0.07/0.19	 eq(0(),0()) -> true()
0.07/0.19	 eq(0(),s(y)) -> false()
0.07/0.19	 eq(s(x),0()) -> false()
0.07/0.19	 eq(s(x),s(y)) -> eq(x,y)
0.07/0.19	 reverse(nil()) -> nil()
0.07/0.19	 reverse(cons(x,xs)) -> cons(last(cons(x,xs)),reverse(del(last(cons(x,xs)),cons(x,xs))))
0.07/0.19	
0.07/0.19	Proof:
0.07/0.19	 Open
0.07/0.19	EOF