MAYBE
0.07/0.18	MAYBE
0.07/0.19	
0.07/0.19	Problem:
0.07/0.19	 le(0(),y) -> true()
0.07/0.19	 le(s(x),0()) -> false()
0.07/0.19	 le(s(x),s(y)) -> le(x,y)
0.07/0.19	 minus(0(),y) -> 0()
0.07/0.19	 minus(s(x),y) -> if_minus(le(s(x),y),s(x),y)
0.07/0.19	 if_minus(true(),s(x),y) -> 0()
0.07/0.19	 if_minus(false(),s(x),y) -> s(minus(x,y))
0.07/0.19	 quot(0(),s(y)) -> 0()
0.07/0.19	 quot(s(x),s(y)) -> s(quot(minus(x,y),s(y)))
0.07/0.19	 log(s(0())) -> 0()
0.07/0.19	 log(s(s(x))) -> s(log(s(quot(x,s(s(0()))))))
0.07/0.19	
0.07/0.19	Proof:
0.07/0.19	 Open
0.07/0.19	EOF