A Prussian Wittgenstein and a Viennese Kant

Since Erik Stenius made a case for viewing the early Wittgenstein as a Kantian philosopher in 1960, the question whether there is Kantianism or transcendentalism in Wittgenstein has never ceased to be a topic of interest (cf. Stenius 1960, Ch. XI). Most commentators agree that there are Kantian elements in early Wittgenstein but think that the differences between Kant’s critical philosophy and post-Tractarian Wittgenstein run too deep to make much of the parallel. Our question may be simplified to whether there are transcendental arguments in the later Wittgenstein. I shall proceed up to a point as if this were to suffice, although ultimately it won’t.