Lemma isdecrel_leNonnegativeRationals : ∏ x y : NonnegativeRationals, (x <= y) ⨿ ¬ (x <= y). Proof. intros x y. apply isdecrelhqleh. Qed.
Require Import UniMath.MoreFoundations.Tactics. Require Import UniMath.MoreFoundations.PartA. Require Import UniMath.MoreFoundations.Sets. Require Import UniMath.MoreFoundations.Orders. Require Import UniMath.RealNumbers.Sets. Require Import UniMath.RealNumbers.Fields. Require Import UniMath.OrderTheory.Lattice.Lattice. Require Import UniMath.RealNumbers.Prelim.