∀ {J : Type u_1} {C : Type u_2} [inst : CategoryTheory.Category.{v_1, u_1} J]
  [inst_1 : CategoryTheory.Category.{v_2, u_2} C] {F : CategoryTheory.Functor J C} {i₀ : J},
  F.IsEventuallyConstantTo i₀ →
    ∀ [CategoryTheory.IsCofiltered J] {c : CategoryTheory.Limits.Cone F} (hc : CategoryTheory.Limits.IsLimit c) (j : J)
      (π : j ⟶ i₀), CategoryTheory.IsIso (c.π.app j)