fact: Definition Dcuts_def_open (X : hsubtype NonnegativeRationals) : UU := ∏ x : NonnegativeRationals, X x -> ∃ y : NonnegativeRationals, (X y) × (x < y).
imports: UniMath.MoreFoundations.Orders UniMath.MoreFoundations.Tactics UniMath.MoreFoundations.Notations UniMath.RealNumbers.Sets UniMath.Algebra.ConstructiveStructures UniMath.OrderTheory.Lattice.Lattice UniMath.RealNumbers.Prelim UniMath.RealNumbers.NonnegativeRationals