Lemma Dcuts_nlt_ge : ∏ x y : Dcuts, neg (x < y) <-> (x >= y). Proof. intros X Y. now apply Dcuts_le_ngt_rel. Qed.
Require Import UniMath.MoreFoundations.Orders. Require Import UniMath.MoreFoundations.Tactics. Require Import UniMath.MoreFoundations.Notations. Require Import UniMath.RealNumbers.Sets. Require Import UniMath.OrderTheory.Lattice.Lattice. Require Import UniMath.RealNumbers.Prelim. Require Import UniMath.RealNumbers.NonnegativeRationals.