{motive : Mathlib.Meta.FunProp.LambdaTheoremArgs → Sort u} →
  (t : Mathlib.Meta.FunProp.LambdaTheoremArgs) →
    motive Mathlib.Meta.FunProp.LambdaTheoremArgs.const → (Nat.hasNotBit 2 t.ctorIdx → motive t) → motive t