proposition: Lemma leW_mono_in : {in D &, {mono f : x y / x <= y}} -> {in D &, {mono f : x y / x < y}}.
proof: Proof. exact: anti_mono_in. Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat choice seq) mathcomp(path fintype tuple bigop finset div prime finfun) mathcomp(finset)