proposition: Lemma iscomm_hdisj (P Q : hProp) : (P ∨ Q) = (Q ∨ P).
proof: Proof. now apply hPropUnivalence; apply islogeqcommhdisj. Qed.
imports: UniMath.MoreFoundations.Notations UniMath.MoreFoundations.PartA UniMath.MoreFoundations.Tactics UniMath.MoreFoundations.DecidablePropositions