proposition: Lemma isaprop_isPartialOrder {X : hSet} (R : hrel X) : isaprop (isPartialOrder R).
proof: Proof. intros. unfold isPartialOrder. apply isapropdirprod. { apply isaprop_ispreorder. } { apply isaprop_isantisymm. } Defined.
imports: UniMath.Foundations.Propositions