proposition: Lemma mcoeff_symh_pol d m : (symh_pol d)@_m = (mdeg m == d)%:R.
proof: Proof. exact: mcoeff_symh_pol_bound. 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