Definition Dcuts_inv_val : hsubtype NonnegativeRationals := λ r : NonnegativeRationals, hexists (λ l : NonnegativeRationals, (∏ rx : NonnegativeRationals, X rx -> (r * rx <= l)%NRat) × (0 < l)%NRat × (l < 1)%NRat).
Require Import UniMath.MoreFoundations.Orders. Require Import UniMath.MoreFoundations.Tactics. Require Import UniMath.MoreFoundations.Notations. Require Import UniMath.RealNumbers.Sets. Require Import UniMath.OrderTheory.Lattice.Lattice. Require Import UniMath.RealNumbers.Prelim. Require Import UniMath.RealNumbers.NonnegativeRationals.