{C : Type u} →
  [inst : CategoryTheory.Category.{v, u} C] →
    {X Y Z : C} →
      {f : Y ⟶ X} →
        {g : Z ⟶ X} →
          {c : CategoryTheory.Limits.PullbackCone f g} →
            CategoryTheory.Limits.IsLimit c →
              CategoryTheory.Limits.IsLimit (CategoryTheory.Limits.pullbackConeEquivBinaryFan.functor.obj c)