proposition: Lemma enum_codeszE : map val (enum {:codesz}) = enum_codesz n.
proof: Proof. Proof using. by rewrite /=; exact: enum_subE. Qed.
imports: HB(structures) mathcomp(all_ssreflect) mathcomp(fingroup perm morphism presentation) mathcomp(ssralg poly ssrint) permcomp tools permuted combclass congr