 In the B (1787) edition of the Critique, §2 of the Transcendental Aesthetic, the Metaphysical Exposition, is followed by §3, the Transcendental Exposition. Whereas the Metaphysical Exposition deals, as we have seen, with the origin and the content of the representation of space, its transcendental cousin apparently attempts to provide an explanation of what Kant takes to be the synthetic a priori knowledge (or cognition) available to us in geometry. This raises very difficult interpretive issues that arise with Kant’s philosophy of mathematics—such issues are dealt with in a separate entry in this Encyclopedia (see Lisa Shabel’s entry on  Kant’s philosophy of mathematics).  However, Kant may also be raising a related point in this section—consider the following passage, which is inserted within the discussion of geometry (cf. section 2-b above):