fact: Definition WO_isantisymm (X : WellOrderedSet) : isantisymm (WOrel X) := pr21 (WO_isTotalOrder X).
imports: UniMath.MoreFoundations.DecidablePropositions UniMath.MoreFoundations.Propositions UniMath.MoreFoundations.Subtypes UniMath.MoreFoundations.Sets UniMath.MoreFoundations.AxiomOfChoice UniMath.Combinatorics.OrderedSets