proposition: Lemma C_pred : forall n f, C (S n) f -> C n f.
proof: Proof. intros ; apply D_S_implies_C, C_implies_D ; assumption. Qed.
imports: Rbase Ranalysis Lia Lra Rfunctions Rfunction_facts Rextensionality Rinterval Ranalysis_def Ranalysis_def_simpl Ranalysis_facts Ranalysis_continuity Ranalysis_derivability Ranalysis_monotonicity Rfunction_classes_def MyR_dist Reals.Tactics