proposition: Fact map_homsym_is_additive : additive map_homsym.
proof: Proof. by move=> /= p q; apply val_inj; rewrite /= rmorphB. 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