proposition: Lemma derivnMNn n m p : (p *- m)^`(n) = p^`(n) *- m.
proof: Proof. exact: linearMNn. Qed.
imports: HB(structures) mathcomp(ssreflect ssrbool ssrfun eqtype ssrnat seq choice) mathcomp(fintype bigop finset tuple) mathcomp(div ssralg countalg binomial)