proposition: Lemma ispositive_divNonnegativeRationals : ∏ x y, 0 < x -> 0 < y -> 0 < x / y.
proof: Proof. intros x y Hx Hy. apply ispositive_multNonnegativeRationals. - exact Hx. - apply ispositive_invNonnegativeRationals. exact Hy. 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