MAYBE
0.08/0.18	MAYBE
0.08/0.18	
0.08/0.18	Problem:
0.08/0.18	 plus(0(),x) -> x
0.08/0.18	 plus(s(x),y) -> s(plus(x,y))
0.08/0.18	 times(0(),y) -> 0()
0.08/0.18	 times(s(x),y) -> plus(y,times(x,y))
0.08/0.18	 exp(x,0()) -> s(0())
0.08/0.18	 exp(x,s(y)) -> times(x,exp(x,y))
0.08/0.18	 ge(x,0()) -> true()
0.08/0.18	 ge(0(),s(x)) -> false()
0.08/0.18	 ge(s(x),s(y)) -> ge(x,y)
0.08/0.18	 tower(x,y) -> towerIter(0(),x,y,s(0()))
0.08/0.18	 towerIter(c,x,y,z) -> help(ge(c,x),c,x,y,z)
0.08/0.18	 help(true(),c,x,y,z) -> z
0.08/0.18	 help(false(),c,x,y,z) -> towerIter(s(c),x,y,exp(y,z))
0.08/0.18	
0.08/0.18	Proof:
0.08/0.18	 Open
0.08/0.19	EOF