EQUATIONS: f(x,f(y,z)) = f(f(x,y),z) f(x,i(x)) = e() f(i(x),x) = e() f(x,e()) = x f(e(),x) = x a(a(x)) = x b(b(x)) = x a(b(a(b(a(b(x)))))) = x COMPLETE TRS: RULES: f(x,i(x)) -> e() f(i(x),x) -> e() f(x,e()) -> x f(e(),x) -> x a(a(x)) -> x b(b(x)) -> x f(f(x,y),z) -> f(x,f(y,z)) i(e()) -> e() f(y,f(i(y),x)) -> x f(i(y),f(y,x)) -> x i(i(x)) -> x a(b(a(x))) -> b(a(b(x))) i(f(y,x)) -> f(i(x),i(y)) SUCCESS MaxTRS: 2 Search time: 0.05 seconds