proposition: Lemma Lmax_le_eq_r : ∏ x y : X, Lle lat x y → Lmax lat x y = y.
proof: Proof. intros x y H. rewrite iscomm_Lmax. now apply Lmax_le_eq_l. Qed.
imports: UniMath.MoreFoundations.All UniMath.Algebra.Monoids UniMath.Algebra.Groups