proposition: Lemma EX_gt0 : 0 < `E X.
proof: Proof. exact: ltR_leR_trans le_1_EX. Qed.
imports: mathcomp(all_ssreflect ssralg ssrnum matrix) Reals mathcomp(Rstruct) ssrR Reals_ext realType_ext logb ssr_ext ssralg_ext bigop_ext fdist proba entropy divergence log_sum source_code