Definition Tarski_fixpoint_theorem_statement := forall (P:Poset) (P_complete : is_complete P) (f : posetmorphism P P), is_complete (Fixedpoint f : Subposet P).
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.OrderTheory.OrderedSets.WellOrderedSets. Require Import UniMath.OrderTheory.DCPOs.AlternativeDefinitions.Dcpo. Require Import UniMath.OrderTheory.Posets.Subposets.