proposition: Lemma homsymdotZr a p q : '[p | a *: q] = a^* * '[p | q].
proof: Proof. by rewrite !(homsymdotC p) homsymdotZl rmorphM. Qed.
imports: HB(structures) mathcomp(all_ssreflect) mathcomp(ssralg matrix vector ssrnum algC archimedean) mathcomp(fingroup perm) mathcomp(ssrcomplements freeg mpoly) tools sorted ordtype permuted partition permcent antisym Schur_mpoly Schur_altdef sympoly