Proposition cha_le_top {H : complete_heyting_algebra} (x : H) : x ≤ ⊤. Proof. use cha_to_le. apply cha_runit_min_bot. 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.