MAYBE
0.08/0.18	MAYBE
0.08/0.19	
0.08/0.19	Problem:
0.08/0.19	 cond1(true(),x,y) -> cond2(gr(x,y),x,y)
0.08/0.19	 cond2(true(),x,y) -> cond3(gr(x,0()),x,y)
0.08/0.19	 cond2(false(),x,y) -> cond4(gr(y,0()),x,y)
0.08/0.19	 cond3(true(),x,y) -> cond3(gr(x,0()),p(x),y)
0.08/0.19	 cond3(false(),x,y) -> cond1(and(gr(x,0()),gr(y,0())),x,y)
0.08/0.19	 cond4(true(),x,y) -> cond4(gr(y,0()),x,p(y))
0.08/0.19	 cond4(false(),x,y) -> cond1(and(gr(x,0()),gr(y,0())),x,y)
0.08/0.19	 gr(0(),x) -> false()
0.08/0.19	 gr(s(x),0()) -> true()
0.08/0.19	 gr(s(x),s(y)) -> gr(x,y)
0.08/0.19	 and(true(),true()) -> true()
0.08/0.19	 and(false(),x) -> false()
0.08/0.19	 and(x,false()) -> false()
0.08/0.19	 p(0()) -> 0()
0.08/0.19	 p(s(x)) -> x
0.08/0.19	
0.08/0.19	Proof:
0.08/0.19	 Open
0.08/0.19	EOF