∀ {α : Type u_2} [inst : OmegaCompletePartialOrder α] (f f_1 : α →o α) (e_f : f = f_1) (x x_1 : α) (e_x : x = x_1)
  (h : x ≤ f x),
  OmegaCompletePartialOrder.fixedPoints.iterateChain f x h =
    OmegaCompletePartialOrder.fixedPoints.iterateChain f_1 x_1 ⋯