Lemma Lmin_le_r : ∏ x y : X, Lle lat (Lmin lat x y) y. Proof. intros x y. rewrite iscomm_Lmin. apply Lmin_le_l. Qed.
Require Import UniMath.MoreFoundations.All. Require Import UniMath.Algebra.Monoids. Require Import UniMath.Algebra.Groups.