proposition: Lemma hull_cset (X : {convex_set A}) : hull X = X.
proof: Proof. by apply/seteqP; split; [exact/hull_sub_convex|exact/subset_hull]. Qed.
imports: HB(structures) mathcomp(all_ssreflect ssralg fingroup perm matrix) mathcomp(mathcomp_extra boolp classical_sets Rstruct) mathcomp(ssrnum ereal) mathcomp(lra Rstruct reals) Reals ssrR Reals_ext Ranalysis_ext ssr_ext ssralg_ext logb realType_ext fdist