∀ (X : TopCat) (T : ↑X → Type u_2) {x x_1 x_2 : (TopologicalSpace.Opens ↑X)ᵒᵖ} (x_3 : x ⟶ x_1) (x_4 : x_1 ⟶ x_2),
  (fun g x_5 => g ((CategoryTheory.CategoryStruct.comp x_3 x_4).unop x_5)) = fun g x_5 =>
    g ((CategoryTheory.CategoryStruct.comp x_3 x_4).unop x_5)