MAYBE
0.08/0.17	MAYBE
0.08/0.17	
0.08/0.17	Problem:
0.08/0.17	 f(t(),x,y) -> f(g(x,y),x,s(y))
0.08/0.17	 g(s(x),0()) -> t()
0.08/0.17	 g(s(x),s(y)) -> g(x,y)
0.08/0.17	
0.08/0.17	Proof:
0.08/0.17	 Open
0.08/0.18	EOF