Lemma isantisymm_Lge : isantisymm (Lge lat). Proof. intros x y Hle Hge. apply (isantisymm_Lle lat). exact Hge. exact Hle. Qed.
Require Import UniMath.MoreFoundations.All. Require Import UniMath.Algebra.Monoids. Require Import UniMath.Algebra.Groups.