MAYBE
0.09/0.17	MAYBE
0.09/0.18	
0.09/0.18	Problem:
0.09/0.18	 le(0(),y,z) -> greater(y,z)
0.09/0.18	 le(s(x),0(),z) -> false()
0.09/0.18	 le(s(x),s(y),0()) -> false()
0.09/0.18	 le(s(x),s(y),s(z)) -> le(x,y,z)
0.09/0.18	 greater(x,0()) -> first()
0.09/0.18	 greater(0(),s(y)) -> second()
0.09/0.18	 greater(s(x),s(y)) -> greater(x,y)
0.09/0.18	 double(0()) -> 0()
0.09/0.18	 double(s(x)) -> s(s(double(x)))
0.09/0.18	 triple(x) -> if(le(x,x,double(x)),x,0(),0())
0.09/0.18	 if(false(),x,y,z) -> true()
0.09/0.18	 if(first(),x,y,z) -> if(le(s(x),y,s(z)),s(x),y,s(z))
0.09/0.18	 if(second(),x,y,z) -> if(le(s(x),s(y),z),s(x),s(y),z)
0.09/0.18	
0.09/0.18	Proof:
0.09/0.18	 Open
0.09/0.18	EOF