∀ {X : AlgebraicGeometry.Scheme} (x : X.AffineZariskiSiteᵒᵖ) (motive : (x_1 : X.AffineZariskiSiteᵒᵖ) → (x_1 ⟶ x) → Prop)
  (x_1 : X.AffineZariskiSiteᵒᵖ) (x_2 : x_1 ⟶ x),
  (∀ (V : X.AffineZariskiSite) (x : Opposite.op V ⟶ x), motive (Opposite.op V) x) → motive x_1 x_2