∀ {R : Type u_2} [inst : Ring R] {M N : ModuleCat R} (f : M ⟶ N) (s : CategoryTheory.Limits.Cofork f 0),
  CategoryTheory.CategoryStruct.comp (CategoryTheory.Limits.Cofork.π (ModuleCat.cokernelCocone f))
      (ModuleCat.ofHom ((ModuleCat.Hom.hom f).range.liftQ (ModuleCat.Hom.hom s.π) ⋯)) =
    s.π