fact: Definition to_image {X Y : UU} (f : X -> Y) (x : X) : image f := (f x,, value_in_image f x).
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.Combinatorics.WellOrderedSets UniMath.OrderTheory.DCPOs.AlternativeDefinitions.Dcpo