proposition: Lemma jfdist_cond0E b : jfdist_cond0 b = \Pr_(fdistX PQ) [[set b] | [set a]].
proof: Proof. by rewrite /jfdist_cond0; unlock; rewrite ffunE. Qed.
imports: mathcomp(all_ssreflect ssralg matrix) mathcomp(Rstruct) Reals ssrR realType_ext Reals_ext logb ssr_ext ssralg_ext bigop_ext fdist proba