proposition: Lemma NQmax_le_r : ∏ x y : NonnegativeRationals, y <= NQmax x y.
proof: Proof. intros x y. rewrite iscomm_NQmax. now apply NQmax_le_l. Qed.
imports: UniMath.MoreFoundations.Tactics UniMath.MoreFoundations.PartA UniMath.MoreFoundations.Sets UniMath.MoreFoundations.Orders UniMath.RealNumbers.Sets UniMath.RealNumbers.Fields UniMath.Algebra.DivisionRig UniMath.OrderTheory.Lattice.Lattice UniMath.RealNumbers.Prelim