proposition: Lemma NonnegativeRationals_eq0_le0 : ∏ r : NonnegativeRationals, (r <= 0) -> (r = 0).
proof: Proof. intros r Hr0. apply subtypePath_prop. apply isantisymmhqleh. - apply Hr0. - apply (pr2 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