proposition: Proposition antisymm_way_below {x y : X} (p : x ≪ y) (q : y ≪ x) : x = y.
proof: Proof. use antisymm_dcpo. - apply way_below_to_le. exact p. - apply way_below_to_le. exact q. Qed.
imports: UniMath.MoreFoundations.All UniMath.OrderTheory.DCPOs.Core.DirectedSets UniMath.OrderTheory.DCPOs.Core.Basics