∀ {C : Type u_3} [inst : CategoryTheory.Category.{u_2, u_3} C] {R : CategoryTheory.Functor Cᵒᵖ RingCat} (X : Cᵒᵖ)
  (hX : CategoryTheory.Limits.IsInitial X) (X_1 : PresheafOfModules R),
  PresheafOfModules.forgetToPresheafModuleCatMap X hX (CategoryTheory.CategoryStruct.id X_1) =
    CategoryTheory.CategoryStruct.id (PresheafOfModules.forgetToPresheafModuleCatObj X hX X_1)