proposition: Lemma in_homsym_comp_symbe m (H : mnmwgt m = d) : in_homsym d ('X_[m] \mPo E) = 'he[intpartn_of_mon H].
proof: Proof. Proof using. by rewrite comp_symbe in_homsymE. 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