MAYBE
0.09/0.19	MAYBE
0.09/0.19	
0.09/0.19	Problem:
0.09/0.19	 le(0(),y) -> true()
0.09/0.19	 le(s(x),0()) -> false()
0.09/0.19	 le(s(x),s(y)) -> le(x,y)
0.09/0.19	 inc(0()) -> 0()
0.09/0.19	 inc(s(x)) -> s(inc(x))
0.09/0.19	 minus(0(),y) -> 0()
0.09/0.19	 minus(x,0()) -> x
0.09/0.19	 minus(s(x),s(y)) -> minus(x,y)
0.09/0.19	 quot(0(),s(y)) -> 0()
0.09/0.19	 quot(s(x),s(y)) -> s(quot(minus(x,y),s(y)))
0.09/0.19	 log(x) -> log2(x,0())
0.09/0.19	 log2(x,y) -> if(le(x,0()),le(x,s(0())),x,inc(y))
0.09/0.19	 if(true(),b,x,y) -> log_undefined()
0.09/0.19	 if(false(),b,x,y) -> if2(b,x,y)
0.09/0.19	 if2(true(),x,s(y)) -> y
0.09/0.19	 if2(false(),x,y) -> log2(quot(x,s(s(0()))),y)
0.09/0.19	
0.09/0.19	Proof:
0.09/0.19	 Open
0.09/0.19	EOF