  The final period of Jacobi’s life saw, among other things, two major publications and the undertaking of the editions of his collected work.  We shall consider this last at the end, in the section ‘Retrospect’ (Section 5). As for the other two pieces, the first was a renewed and ever sharper attack on Kant’s Transcendental Idealism, as the title indicated: ‘On Critique’s Attempt to Reduce Reason to the Understanding’. It was completed by Jacobi’s disciple Köppen, as clearly indicated in the text itself; and published in 1802. Reduced to its bare minimum, the attack was based on three arguments, as follows: