{J : Type u₁} →
  [inst : CategoryTheory.Category.{v₁, u₁} J] →
    Trans (fun x1 x2 => CategoryTheory.Zag x1 x2) (fun x1 x2 => CategoryTheory.Zigzag x1 x2) fun x1 x2 =>
      CategoryTheory.Zigzag x1 x2