fact: Definition tabord_of_nat_fun (t : stdtabsh la) : seq (seq 'I_n.+1) := [seq map inord r | r <- t].
imports: HB(structures) mathcomp(all_ssreflect) mathcomp(ssralg ssrint fingroup perm) mathcomp(mpoly) tools combclass ordtype sorted partition tableau skewpart skewtab antisym Schur_mpoly freeSchur therule std stdtab unitriginv presentSn