proposition: Lemma isnonnegative_NonnegativeRationals' : ∏ x : NonnegativeRationals , ¬ (x < 0).
proof: Proof. intros x. apply (pr2 x). 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