proposition: Lemma plusNonnegativeRationals_lt_l : ∏ r q : NonnegativeRationals, 0 < r -> q < r + q.
proof: Proof. intros x y. rewrite iscomm_plusNonnegativeRationals. now apply plusNonnegativeRationals_lt_r. 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