proposition: Lemma ltr_pMz2r n (hn : 0 < n) : {mono *~%R^~ n : x y / x < y :> R}.
proof: Proof. exact: leW_mono (ler_pMz2r _). Qed.
imports: HB(structures) mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat choice seq) mathcomp(fintype finfun bigop order ssralg countalg ssrnum) mathcomp(poly)