proposition: Lemma supp_fsdist1 : finsupp fsdist1 = D.
proof: Proof. by rewrite -suppf; apply/fsetP => b; rewrite !mem_finsupp fsdist1E fsfunE. Qed.
imports: HB(structures) mathcomp(all_ssreflect ssralg ssrnum) mathcomp(finmap) Reals mathcomp(mathcomp_extra) mathcomp(classical_sets boolp cardinality Rstruct reals) mathcomp(ereal topology esum measure probability) ssrR realType_ext Reals_ext ssr_ext ssralg_ext bigop_ext fdist convex