{C : Type u₁} →
  [inst : CategoryTheory.Category.{v₁, u₁} C] →
    {D : Type u₂} →
      [inst_1 : CategoryTheory.Category.{v₂, u₂} D] →
        {S : D} →
          {T : CategoryTheory.Functor C D} →
            {A : CategoryTheory.StructuredArrow S T} →
              (P : CategoryTheory.Subobject A.right) →
                {q :
                    (CategoryTheory.Functor.fromPUnit S).obj A.left ⟶
                      T.obj (CategoryTheory.Subobject.underlying.obj P)} →
                  CategoryTheory.CategoryStruct.comp q (T.map P.arrow) = A.hom → CategoryTheory.Subobject A