∀ {C : Type u_2} [inst : CategoryTheory.Category.{u_3, u_2} C] [inst_1 : CategoryTheory.Abelian C]
  [inst_2 : HasDerivedCategory C] (n : ℤ),
  CategoryTheory.ObjectProperty.IsClosedUnderIsomorphisms fun X => ∃ K x, K.IsStrictlyGE n