MAYBE
MAYBE
TRS:
 {
                  activate(X) -> X,
    activate(n__cons(X1, X2)) -> cons(activate(X1), X2),
         activate(n__from(X)) -> from(activate(X)),
            activate(n__s(X)) -> s(activate(X)),
  2nd(cons(X, n__cons(Y, Z))) -> activate(Y),
                 cons(X1, X2) -> n__cons(X1, X2),
                      from(X) -> cons(X, n__from(n__s(X))),
                      from(X) -> n__from(X),
                         s(X) -> n__s(X)
 }
 DUP: We consider a duplicating system.
  Trs:
   {
                    activate(X) -> X,
      activate(n__cons(X1, X2)) -> cons(activate(X1), X2),
           activate(n__from(X)) -> from(activate(X)),
              activate(n__s(X)) -> s(activate(X)),
    2nd(cons(X, n__cons(Y, Z))) -> activate(Y),
                   cons(X1, X2) -> n__cons(X1, X2),
                        from(X) -> cons(X, n__from(n__s(X))),
                        from(X) -> n__from(X),
                           s(X) -> n__s(X)
   }
  Fail