∀ (motive : Option Lean.Expr → Sort u_1) (x : Option Lean.Expr) (h_1 : (α : Lean.Expr) → motive (some α))
  (h_2 : (x : Option Lean.Expr) → motive x),
  (∀ (α : Lean.Expr), x = some α → False) →
    (match x with
      | some α => h_1 α
      | x => h_2 x) =
      h_2 x