proposition: Lemma mulnRdep_0 y : mulnRdep 0 y = 0.
proof: Proof. rewrite /mulnRdep /=. by destruct boolP. Qed.
imports: mathcomp(all_ssreflect ssralg ssrnum) Reals mathcomp(Rstruct) ssrR realType_ext Reals_ext ssr_ext ssralg_ext logb fdist entropy convex ln_facts jensen num_occ