MAYBE
0.08/0.18	MAYBE
0.08/0.18	
0.08/0.18	Problem:
0.08/0.18	 le(0(),y) -> true()
0.08/0.18	 le(s(x),0()) -> false()
0.08/0.18	 le(s(x),s(y)) -> le(x,y)
0.08/0.18	 minus(x,0()) -> x
0.08/0.18	 minus(0(),s(y)) -> 0()
0.08/0.18	 minus(s(x),s(y)) -> minus(x,y)
0.08/0.18	 plus(x,0()) -> x
0.08/0.18	 plus(x,s(y)) -> s(plus(x,y))
0.08/0.18	 mod(s(x),0()) -> 0()
0.08/0.18	 mod(x,s(y)) -> help(x,s(y),0())
0.08/0.18	 help(x,s(y),c) -> if(le(c,x),x,s(y),c)
0.08/0.18	 if(true(),x,s(y),c) -> help(x,s(y),plus(c,s(y)))
0.08/0.18	 if(false(),x,s(y),c) -> minus(x,minus(c,s(y)))
0.08/0.18	
0.08/0.18	Proof:
0.08/0.18	 Open
0.08/0.19	EOF