proposition: Fact scale_polXYA a b p : a *:M (b *:M p) = (a * b) *:M p.
proof: Proof. by rewrite /polXY_scale scalerA rmorphM. 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