Proposition cha_min_le_case {H : complete_heyting_algebra} {x y z : H} (p : z ≤ x) (q : z ≤ y) : z ≤ (x ∧ y). Proof. exact (Lmin_le_case H x y z p q). Qed.
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.OrderTheory.Lattice.Lattice. Require Import UniMath.OrderTheory.Lattice.Bounded. Require Import UniMath.OrderTheory.Lattice.Heyting.