Ludwig Wittgenstein (1889-1951) was an extraordinarily original philospher, whose influence on twentieth-century thinking goes well beyond philosophy itself. In

This book sheds unprecedented light on Wittgenstein's third masterpiece, On Certainty , clarifying his thoughts on basic beliefs and rebuttal of scepticism. As

Though Wittgenstein wrote on the same subjects that dominate the work of other analytic philosophers - the nature of logic, the limits of language, the analysis