proposition: Lemma An_deriv_alt_compat : forall An, An_deriv (Rseq_alt An) == - Rseq_alt (An_deriv An).
proof: Proof. intros An n ; unfold An_deriv, Rseq_shift, Rseq_alt, Rseq_mult, Rseq_opp ; simpl Rseq_pow ; ring. 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