∀ {B : Type u₁} [inst : CategoryTheory.Category.{v₁, u₁} B] {C : Type u₂} [inst_1 : CategoryTheory.Category.{v₂, u₂} C]
  {D : Type u₃} [inst_2 : CategoryTheory.Category.{v₃, u₃} D]
  (F : CategoryTheory.Functor B (CategoryTheory.Functor C D)),
  CategoryTheory.Functor.curry.obj (CategoryTheory.Functor.uncurry.obj F) = F