{motive : Lean.Expr → Sort u} →
  (t : Lean.Expr) →
    ((data : Lean.MData) → (expr : Lean.Expr) → motive (Lean.Expr.mdata data expr)) →
      ((fn arg : Lean.Expr) → motive (fn.app arg)) → (Nat.hasNotBit 1056 t.ctorIdx → motive t) → motive t