def _eval_derivative_n_times(self, s, n): return Basic._eval_derivative_n_times(self, s, n)
def _eval_derivative_n_times(self, s, n): return Basic._eval_derivative_n_times(self, s, n)
def _eval_derivative_n_times(self, s, n): return Basic._eval_derivative_n_times(self, s, n)
def _eval_derivative_n_times(self, s, n): return Basic._eval_derivative_n_times(self, s, n)