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