proposition: Theorem symh_to_symp n : [char R] =i pred0 -> 'h_n = \sum_(l : 'P_n) (zcard l)%:R^-1 *: 'p[l] :> SF.
proof: Proof. move=> Hchar. rewrite symh_to_symp_intpartn //; apply eq_bigr => l _. by rewrite coeff_symh_to_symp. 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