MAYBE
MAYBE
TRS:
 {
  f(g(x), s(0()), y) -> f(y, y, g(x)),
             g(s(x)) -> s(g(x)),
              g(0()) -> 0()
 }
 DUP: We consider a duplicating system.
  Trs:
   {
    f(g(x), s(0()), y) -> f(y, y, g(x)),
               g(s(x)) -> s(g(x)),
                g(0()) -> 0()
   }
  Fail