{X Y Z : AlgebraicGeometry.Scheme} →
  (f : X ⟶ Y) →
    (g : Y ⟶ Z) →
      [inst : AlgebraicGeometry.IsOpenImmersion f] →
        [inst_1 : AlgebraicGeometry.IsOpenImmersion g] →
          AlgebraicGeometry.Scheme.Modules.restrictFunctor (CategoryTheory.CategoryStruct.comp f g) ≅
            (AlgebraicGeometry.Scheme.Modules.restrictFunctor g).comp
              (AlgebraicGeometry.Scheme.Modules.restrictFunctor f)