proposition: Lemma jcPr_ge0 E F : 0 <= \Pr_[E | F].
proof: Proof. by rewrite jcPrE. Qed.
imports: mathcomp(all_ssreflect ssralg matrix) mathcomp(Rstruct) Reals ssrR realType_ext Reals_ext logb ssr_ext ssralg_ext bigop_ext fdist proba