MAYBE
0.08/0.19	MAYBE
0.08/0.19	
0.08/0.19	Problem:
0.08/0.19	 minus(minus(x,y),z) -> minus(x,plus(y,z))
0.08/0.19	 minus(0(),y) -> 0()
0.08/0.19	 minus(x,0()) -> x
0.08/0.19	 minus(s(x),s(y)) -> minus(x,y)
0.08/0.19	 plus(0(),y) -> y
0.08/0.19	 plus(s(x),y) -> plus(x,s(y))
0.08/0.19	 plus(s(x),y) -> s(plus(y,x))
0.08/0.19	 zero(s(x)) -> false()
0.08/0.19	 zero(0()) -> true()
0.08/0.19	 p(s(x)) -> x
0.08/0.19	 p(0()) -> 0()
0.08/0.19	 div(x,y) -> quot(x,y,0())
0.08/0.19	 quot(s(x),s(y),z) -> quot(minus(p(ack(0(),x)),y),s(y),s(z))
0.08/0.19	 quot(0(),s(y),z) -> z
0.08/0.19	 ack(0(),x) -> s(x)
0.08/0.19	 ack(0(),x) -> plus(x,s(0()))
0.08/0.19	 ack(s(x),0()) -> ack(x,s(0()))
0.08/0.19	 ack(s(x),s(y)) -> ack(x,ack(s(x),y))
0.08/0.19	
0.08/0.19	Proof:
0.08/0.19	 Open
0.08/0.19	EOF