proposition: Lemma cond_mutual_info_ge0 : 0 <= cond_mutual_info PQR.
proof: Proof. rewrite cond_mutual_infoE2; apply/RleP/sumr_ge0 => c _; apply/RleP/mulR_ge0 => //. exact: cdiv1_ge0. Qed.
imports: mathcomp(all_ssreflect all_algebra fingroup perm matrix) Reals mathcomp(Rstruct) ssrR Reals_ext realType_ext ssr_ext ssralg_ext bigop_ext logb ln_facts fdist jfdist_cond proba binary_entropy_function divergence