∀ {α : Type u_1} [inst : OmegaCompletePartialOrder α] ⦃d : Set α⦄
  (motive : (d ∈ Set.range fun c => Set.range ⇑c) → Prop) (h : d ∈ Set.range fun c => Set.range ⇑c),
  (∀ (c : OmegaCompletePartialOrder.Chain α) (hc : (fun c => Set.range ⇑c) c = d), motive ⋯) → motive h