MAYBE
0.09/0.17	MAYBE
0.09/0.17	
0.09/0.17	Problem:
0.09/0.17	 p(0()) -> s(s(0()))
0.09/0.17	 p(s(x)) -> x
0.09/0.17	 p(p(s(x))) -> p(x)
0.09/0.17	 le(p(s(x)),x) -> le(x,x)
0.09/0.17	 le(0(),y) -> true()
0.09/0.17	 le(s(x),0()) -> false()
0.09/0.17	 le(s(x),s(y)) -> le(x,y)
0.09/0.17	 minus(x,y) -> if(le(x,y),x,y)
0.09/0.17	 if(true(),x,y) -> 0()
0.09/0.17	 if(false(),x,y) -> s(minus(p(x),y))
0.09/0.17	
0.09/0.17	Proof:
0.09/0.17	 Open
0.09/0.17	EOF