YES
O(n^2)
TRS:
 {-(-(neg(x), neg(x)), -(neg(y), neg(y))) -> -(-(x, y), -(x, y))}
 Natural interpretation:
  Strict:
   {-(-(neg(x), neg(x)), -(neg(y), neg(y))) -> -(-(x, y), -(x, y))}
  Weak:
   {}
  Interpretation class: deltarestricted
  [neg](delta, X0) = + 0*X0 + 0 + 1*X0*delta + 1*delta
  [-](delta, X1, X0) = + 0*X0 + 0*X1 + 0 + 1*X0*delta + 1*X1*delta + 0*delta
  neg_tau_1(delta) = delta/(0 + 1 * delta)
  -_tau_1(delta) = delta/(0 + 1 * delta)-_tau_2(delta) = delta/(0 + 1 * delta)
  
  Qed