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