∀ {C : Type u₁} [inst : CategoryTheory.Category.{v₁, u₁} C] {D : Type u₂} [inst_1 : CategoryTheory.Category.{v₂, u₂} D]
  [inst_2 : CategoryTheory.Limits.HasZeroMorphisms C] [inst_3 : CategoryTheory.Limits.HasZeroMorphisms D]
  (F : CategoryTheory.Functor C D) (X Y : C) [inst_4 : CategoryTheory.Limits.HasBinaryBiproduct X Y]
  [inst_5 : CategoryTheory.Limits.HasBinaryBiproduct (F.obj X) (F.obj Y)] [F.PreservesZeroMorphisms] {Z : D}
  (h : F.obj X ⊞ F.obj Y ⟶ Z),
  CategoryTheory.CategoryStruct.comp (F.biprodComparison' X Y)
      (CategoryTheory.CategoryStruct.comp (F.biprodComparison X Y) h) =
    h