∀ {X : TopCat} {ι : Type u_2} (U : ι → TopologicalSpace.Opens ↑X),
  autoParam
    (∀ {W X_1 Y Z : TopCat.Presheaf.SheafCondition.OpensLeCover U} (f : W ⟶ X_1) (g : X_1 ⟶ Y) (h : Y ⟶ Z),
      CategoryTheory.CategoryStruct.comp (CategoryTheory.CategoryStruct.comp f g) h =
        CategoryTheory.CategoryStruct.comp f (CategoryTheory.CategoryStruct.comp g h))
    CategoryTheory.Category.assoc._autoParam