This Guidebook introduces and assesses Wittgenstein's On Certainty, explaining its central theme concerning the refutation of sceptisim and the nature of the theory of knowledge.
Andy Hamilton teaches Philosophy at Durham University, UK. His books include Aesthetics and Music (2007), Lee Konitz (2007) and The Self in Question: Memory, the Body and Self-Consciousness (2013). He also teaches aesthetics and history of jazz at Durham, and contributes to The Wire magazine.