{C : Type u₁} →
  [inst : CategoryTheory.Category.{v₁, u₁} C] →
    (A : Type u) →
      [inst_1 : CategoryTheory.Category.{t, u} A] →
        (J : CategoryTheory.GrothendieckTopology C) →
          (CategoryTheory.Functor.id C).sheafPushforwardContinuous A J J ≅
            CategoryTheory.Functor.id (CategoryTheory.Sheaf J A)