proposition: Lemma mderivC i c : mderiv i c%:MP = 0.
proof: Proof. apply/mpolyP=> m; rewrite mcoeff0 mcoeff_deriv mcoeffC. by rewrite mnmD_eq0 mnm1_eq0 andbF mulr0 mul0rn. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat seq path) mathcomp(choice fintype tuple finfun bigop finset binomial) mathcomp(order fingroup perm ssralg zmodp poly ssrint) mathcomp(matrix vector) mathcomp(bigenough) ssrcomplements freeg