∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] (I : CategoryTheory.MorphismProperty C) (κ : Cardinal.{w})
  [inst_1 : Fact κ.IsRegular] [inst_2 : OrderBot κ.ord.ToType] [inst_3 : I.IsCardinalForSmallObjectArgument κ]
  (f : CategoryTheory.Arrow C), CategoryTheory.IsIso ((CategoryTheory.SmallObject.ιIteration I κ).app f).right