proposition: Lemma derivMNn n p : (p *- n)^`() = p^`() *- n.
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)