proposition: Lemma plusNonnegativeRationals_le_r : ∏ r q : NonnegativeRationals, r <= r + q.
proof: Proof. intros r q. pattern r at 1. rewrite <- (isrunit_zeroNonnegativeRationals r). apply hqlehandplusl. apply (pr2 q). 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