Do we really know the things we think we know? Are any of our beliefs reasonable? Scepticism gives a pessimistic reply to these important epistemological questions - we don't know anything; none of our beliefs are reasonable. But can such a seemingly paradoxical claim be more than an intellectual curiousity? And if it is, can it be refuted? Ruth Weintraub answers yes to both these questions.
The sceptical challenge is a formidable one, and should be confronted, not dismissed. The theoretical and practical difficulties it presents - in that the sceptical life cannot be lived, and the...