proposition: Proposition isaprop_bottom_element {X : hSet} (RX : PartialOrder X) : isaprop (bottom_element RX).
proof: Proof. use invproofirrelevance. exact (bottom_element_eq RX). Qed.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.OrderTheory.Posets.Basics UniMath.OrderTheory.Posets.MonotoneFunctions