∀ {J : Type w} [inst : CategoryTheory.Category.{w', w} J] {A : Type u₁} [inst_1 : CategoryTheory.Category.{v₁, u₁} A]
  {B : Type u₂} [inst_2 : CategoryTheory.Category.{v₂, u₂} B] {T : Type u₃}
  [inst_3 : CategoryTheory.Category.{v₃, u₃} T] {L : CategoryTheory.Functor A T} {R : CategoryTheory.Functor B T}
  (F : CategoryTheory.Functor J (CategoryTheory.Comma L R))
  [inst_4 : CategoryTheory.Limits.PreservesLimit (F.comp (CategoryTheory.Comma.snd L R)) R]
  (c₁ : CategoryTheory.Limits.Cone (F.comp (CategoryTheory.Comma.fst L R)))
  {c₂ : CategoryTheory.Limits.Cone (F.comp (CategoryTheory.Comma.snd L R))} (t₂ : CategoryTheory.Limits.IsLimit c₂),
  (CategoryTheory.Comma.coneOfPreserves F c₁ t₂).pt.left = c₁.pt