MAYBE 0.08/0.18 MAYBE 0.08/0.18 0.08/0.18 Problem: 0.08/0.18 h(e(x),y) -> h(d(x,y),s(y)) 0.08/0.18 d(g(g(0(),x),y),s(z)) -> g(e(x),d(g(g(0(),x),y),z)) 0.08/0.18 d(g(g(0(),x),y),0()) -> e(y) 0.08/0.18 d(g(0(),x),y) -> e(x) 0.08/0.18 d(g(x,y),z) -> g(d(x,z),e(y)) 0.08/0.18 g(e(x),e(y)) -> e(g(x,y)) 0.08/0.18 0.08/0.18 Proof: 0.08/0.18 Open 0.08/0.18 EOF