MAYBE
0.08/0.18	MAYBE
0.08/0.18	
0.08/0.18	Problem:
0.08/0.18	 f(true(),x,y,z) -> g(gt(x,y),x,y,z)
0.08/0.18	 g(true(),x,y,z) -> f(gt(x,z),x,s(y),z)
0.08/0.18	 g(true(),x,y,z) -> f(gt(x,z),x,y,s(z))
0.08/0.18	 gt(0(),v) -> false()
0.08/0.18	 gt(s(u),0()) -> true()
0.08/0.18	 gt(s(u),s(v)) -> gt(u,v)
0.08/0.18	
0.08/0.18	Proof:
0.08/0.18	 Open
0.08/0.18	EOF