fact: Definition greatest_suchthat_is_greatest {A : P -> UU} (x : greatest_suchthat A) : ∏ y, A y -> y ≤ x.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.Combinatorics.WellOrderedSets UniMath.OrderTheory.DCPOs.AlternativeDefinitions.Dcpo