∀ (X : AlgebraicGeometry.Scheme) (x : ↥X) [X.IsGermInjectiveAt x],
  ∃ U,
    ∃ (hx : x ∈ U),
      AlgebraicGeometry.IsAffineOpen U ∧
        Function.Injective ⇑(CategoryTheory.ConcreteCategory.hom (X.presheaf.germ U x hx))