[...] Nietzsche saw nothing but blindness and multiplied error in the various attempts to arrive at truth through logic or abstract reason. Philosophy had based itself unwittingly on a series of buried metaphors none the less potent and beguiling for their common and commonsense usage. Nietzsche carries out what amounts to a full-scale programme of deconstruction, attacking every last vestige of philosophic truth and certainty. The fundamental 'laws' of Aristotelian logic are held to be expressions of our present inability to think beyond them, rather than possessing an absolute validity. [...]