Lemma isantisymm_leNonnegativeRationals : ∏ x y : NonnegativeRationals, x <= y -> y <= x -> x = y. Proof. intros x y Hle Hge. apply subtypePath_prop. now apply isantisymmhqleh. 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.