{X Y : AlgebraicGeometry.Scheme} →
  {f : X ⟶ Y} →
    {motive : AlgebraicGeometry.QuasiCompact f → Sort u_1} →
      ((isCompact_preimage : ∀ (U : Set ↥Y), IsOpen U → IsCompact U → IsCompact (⇑f ⁻¹' U)) → motive ⋯) →
        (t : AlgebraicGeometry.QuasiCompact f) → motive t