proposition: Lemma nth_derive_0: forall (f : R -> R) (pr : D O f), nth_derive f pr == f.
proof: Proof. intros ; reflexivity. Qed.
imports: Reals Rfunction_classes Ranalysis_def Ranalysis_def_simpl Rfunction_def Rextensionality Ranalysis_continuity Ranalysis_derivability Ranalysis_monotonicity Rinterval Nth_derivative_def