Lemma ispreorder_Dcuts_le_rel : ispreorder Dcuts_le_rel. Proof. split. - exact istrans_Dcuts_le_rel. - exact isrefl_Dcuts_le_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.