∀ {R : Type u_2} [inst : Ring R] {M N : ModuleCat R} (f : M ⟶ N) (s : CategoryTheory.Limits.Fork f 0)
  (m : s.pt ⟶ (ModuleCat.kernelCone f).pt),
  CategoryTheory.CategoryStruct.comp m (CategoryTheory.Limits.Fork.ι (ModuleCat.kernelCone f)) = s.ι →
    m = ModuleCat.ofHom (LinearMap.codRestrict (ModuleCat.Hom.hom f).ker (ModuleCat.Hom.hom s.ι) ⋯)