Definition hdisj_comm {p q} : (p ∨ q) ⇒ (q ∨ p). Proof. apply hconjtohdisj; split; intro; auto using hdisj_in1, hdisj_in2. Defined.
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.OrderTheory.OrderedSets.WellOrderedSets. Require Import UniMath.OrderTheory.DCPOs.AlternativeDefinitions.Dcpo. Require Import UniMath.OrderTheory.Posets.Subposets.