proposition: Lemma val_omegasf p : sympol (omegasf p) = (sympolyf p) \mPo [tuple sympol 'h_i.+1 | i < n].
proof: Proof. by []. Qed.
imports: HB(structures) mathcomp(all_ssreflect) mathcomp(ssralg ssrint fingroup perm) mathcomp(ssrcomplements freeg mpoly) sorted tools ordtype permuted partition skewpart composition Yamanouchi std tableau stdtab skewtab permcent antisym Schur_mpoly therule Schur_altdef unitriginv