(motive : Lean.Expr → Sort u_1) →
  (e : Lean.Expr) →
    ((declName : Lean.Name) →
        (type value body : Lean.Expr) → (nondep : Bool) → motive (Lean.Expr.letE declName type value body nondep)) →
      ((x : Lean.Expr) → motive x) → motive e