Now, whether or not this is the most charitable way of reading Strawson’s earlier position, he himself does not seem to have adopted quite this first response when he came to reply to Stroud in his later work. Rather, while he accepts Stroud’s insistence that the transcendental claim must be weakened (cf. Strawson 1985: 9), he then also offers what he call a naturalistic reply to the skeptic based on Hume and also on some Wittgensteinian ideas developed in On Certainty, according to which the ri