ext n
α β α' β' : Type
γ : β → Type
⊢ oneSeq = propagate (fun x => true) (fun f x => (fun x => false, f ())) Empty.elim
case h
α β α' β' : Type
γ : β → Type
n : ℕ
⊢ oneSeq n = propagate (fun x => true) (fun f x => (fun x => false, f ())) Empty.elim n