∀ {α : Type u_1} (motive : Option α → Option α → Sort u_2) (y : α) (h_1 : Unit → motive none none)
  (h_2 : (x : α) → motive (some x) none) (h_3 : (y : α) → motive none (some y))
  (h_4 : (x y : α) → motive (some x) (some y)),
  (match none, some y with
    | none, none => h_1 ()
    | some x, none => h_2 x
    | none, some y => h_3 y
    | some x, some y => h_4 x y) =
    h_3 y