MAYBE
MAYBE
TRS:
 {   f(X, X) -> c(X),
  f(X, c(X)) -> f(s(X), X),
  f(s(X), X) -> f(X, a(X))}
 DUP: We consider a non-duplicating system.
  Trs:
   {   f(X, X) -> c(X),
    f(X, c(X)) -> f(s(X), X),
    f(s(X), X) -> f(X, a(X))}
  Fail