The Indispensability of Knowledge

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Nuno Venturinha holds that the contextualist epistemology adumbrated in Wittgenstein’s On Certainty--the most powerful response to philosophical skepticism yet developed-- falls short of providing a complete answer to Cartesian radical skepticism about knowledge of the external world. I argue that Venturinha underestimates the range and complexity of Wittgenstein’s epistemological. He does so because he reads Wittgenstein along the lines of so-called ‘hinge epistemology’. Hinge epistemology indeed fails as a diagnosis of skepticism. But it also fails as a reading of Wittgenstein. A more adequate understanding of Wittgenstein suggests that Venturinha’s pessimistic conclusion can be avoided.