∀ {C : Type uC} [inst : CategoryTheory.Category.{uC', uC} C] [inst_1 : CategoryTheory.Limits.HasZeroMorphisms C]
  {X Y : C} [inst_2 : CategoryTheory.Limits.HasBinaryBiproduct X Y],
  CategoryTheory.Limits.kernelBiprodSndIso.hom =
    (CategoryTheory.Limits.biprod.isKernelSndKernelFork X Y).lift
      (CategoryTheory.Limits.limit.cone (CategoryTheory.Limits.parallelPair CategoryTheory.Limits.biprod.snd 0))