{C : Type u₁} →
  [inst : CategoryTheory.Category.{v₁, u₁} C] →
    {R : CategoryTheory.Functor Cᵒᵖ RingCat} →
      (X : Cᵒᵖ) →
        (hX : CategoryTheory.Limits.IsInitial X) →
          (M : PresheafOfModules R) →
            {Y Z : Cᵒᵖ} →
              (Y ⟶ Z) →
                (PresheafOfModules.forgetToPresheafModuleCatObjObj X hX M Y ⟶
                  PresheafOfModules.forgetToPresheafModuleCatObjObj X hX M Z)