MAYBE
0.08/0.18	MAYBE
0.08/0.18	
0.08/0.18	Problem:
0.08/0.18	 gt(0(),y) -> false()
0.08/0.18	 gt(s(x),0()) -> true()
0.08/0.18	 gt(s(x),s(y)) -> gt(x,y)
0.08/0.18	 plus(0(),y) -> y
0.08/0.18	 plus(s(x),y) -> s(plus(x,y))
0.08/0.18	 double(0()) -> 0()
0.08/0.18	 double(s(x)) -> s(s(double(x)))
0.08/0.18	 average(x,y) -> aver(plus(x,y),0())
0.08/0.18	 aver(sum,z) -> if(gt(sum,double(z)),sum,z)
0.08/0.18	 if(true(),sum,z) -> aver(sum,s(z))
0.08/0.18	 if(false(),sum,z) -> z
0.08/0.18	
0.08/0.18	Proof:
0.08/0.18	 Open
0.08/0.18	EOF