proposition: Lemma scale_polXYE (c : R) (p : polXY) : c *: p = c *:M p.
proof: Proof. by []. Qed.
imports: HB(structures) mathcomp(all_ssreflect) mathcomp(ssrint rat ssralg ssrnum algC matrix vector) mathcomp(mpoly) tools partition ordtype antisym Schur_mpoly Schur_altdef sympoly homogsym permcent