{X : TopCat} →
  (p₀ : ↑X) →
    [inst : (U : TopologicalSpace.Opens ↑X) → Decidable (p₀ ∈ U)] →
      {C : Type v} →
        [inst_1 : CategoryTheory.Category.{u, v} C] →
          [inst_2 : CategoryTheory.Limits.HasTerminal C] →
            [inst_3 : CategoryTheory.Limits.HasColimits C] →
              (TopCat.Sheaf.forget C X).comp (TopCat.Presheaf.stalkFunctor C p₀) ⊣ skyscraperSheafFunctor p₀