MAYBE
MAYBE
TRS:
 {f(f(x)) -> f(x),
   f(1()) -> f(g(1())),
  g(g(x)) -> g(x),
   g(0()) -> g(f(0()))}
 DUP: We consider a non-duplicating system.
  Trs:
   {f(f(x)) -> f(x),
     f(1()) -> f(g(1())),
    g(g(x)) -> g(x),
     g(0()) -> g(f(0()))
   }
  Fail