Lemma FiniteOrderedSet_isdeceq {X:FiniteOrderedSet} : isdeceq X. Proof. intros. apply isfinite_isdeceq. apply finitenessProperty. Defined.
Require Import UniMath.Combinatorics.FiniteSets. Require Import UniMath.Foundations.UnivalenceAxiom. Require Import UniMath.MoreFoundations.Tactics. Require Import UniMath.MoreFoundations.DecidablePropositions. Require Import UniMath.OrderTheory.Posets.Examples.StandardFiniteSet.