proposition: Lemma An_deriv_opp_compat : forall An, An_deriv (- An) == - An_deriv An.
proof: Proof. intros An n ; unfold Rseq_opp, An_deriv, Rseq_mult, Rseq_shift ; apply Ropp_mult_distr_r_reverse. Qed.
imports: Reals Rpser_def Rpser_def_simpl Rinterval Rsequence_def Rsequence_base_facts Rsequence_subsequence Rsequence_rewrite_facts Rsequence_cv_facts Rsequence_facts Rsequence_bound_facts Rsequence_sums_facts Rpow_facts PeanoNat Lra MyRIneq MyNat MyNNR