proposition: Lemma isaprop_hasuniquerepbranch (T : preZFS) : isaprop (hasuniquerepbranch T).
proof: Proof. repeat (apply impred ; intros). apply setproperty. Qed.
imports: UniMath.Foundations.PartB UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.Foundations.HLevels UniMath.Combinatorics.WellOrderedSets UniMath.Combinatorics.OrderedSets UniMath.MoreFoundations.DecidablePropositions UniMath.MoreFoundations.Propositions