import Mathlib import Definitions.Def_PresheafOfModules_InternalHom import Definitions.Def_SheafOfModules_MonoidalV2 import Definitions.Def_PresheafOfModules_PullbackMonoidal import Definitions.Def_AlgebraicGeometry_ModulesPullbackMonoidal set_option autoImplicit false set_option backward.isDefEq.respectTransparency false universe u open CategoryTheory MonoidalCategory Limits TopologicalSpace noncomputable section namespace AlgebraicGeometry.Scheme.Modules variable {X Y : Scheme.{u}} (f : X ⟶ Y) example : pullback₀ f = PresheafOfModules.pullback f.toRingCatSheafHom.hom := rfl end AlgebraicGeometry.Scheme.Modules end