fact: Definition equiv_path_Ordinal `{Univalence} (A B : Ordinal) : Isomorphism A B <~> A = B.
imports: HoTT(TruncType ExcludedMiddle Modalities.ReflectiveSubuniverse abstract_algebra) HoTT(PropResizing.PropResizing) HoTT(Colimits.Quotient) HoTT(HSet)