fact: Definition is_sharp {X : dcpo} (x : X) : hProp := (∀ (y z : X), y ≪ z ⇒ (y ≪ x ∨ ¬(z ⊑ x)))%logic.
imports: UniMath.MoreFoundations.All UniMath.OrderTheory.DCPOs.Core.DirectedSets UniMath.OrderTheory.DCPOs.Core.Basics UniMath.OrderTheory.DCPOs.Core.WayBelow UniMath.OrderTheory.DCPOs.Core.ScottTopology UniMath.OrderTheory.DCPOs.Core.IntrinsicApartness UniMath.OrderTheory.DCPOs.Basis.Continuous