proposition: Lemma scale_mpoly1m p : 1 *:M p = p.
proof: Proof. by apply/mpoly_eqP; rewrite !mpoly_valK scale1r. 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