This is a fully cross-referenced A-Z guide to the notoriously difficult work and ideas of one of the most important philosophers of the 20th century. "The Wittgenstein Dictionary" is a comprehensive and accessible guide to the world of Ludwig Wittgenstein, whose philosophy is notoriously difficult to grasp. Meticulously researched and extensively cross-referenced, this unique book covers all his major works, ideas and influences and provides a firm grounding in the central themes of Wittgenstein's thought. Students will discover a wealth of useful information, analysis and criticism. A-Z entries include clear definitions of all the key terms used in Wittgenstein's writings and detailed synopses of his key works. The Dictionary also includes entries on Wittgenstein's major philosophical influences, including Augustine, Kierkegaard and Frege, and his contemporaries, such as Russell, Moore, Ramsey and Keynes. It covers everything that is essential to a sound understanding of Wittgenstein's work in logic, philosophy of mathematics, philosophy of mind and philosophy of language, offering clear and accessible explanations of often complex terminology and notation. "The Wittgenstein Dictionary" is the ideal resource for anyone reading or studying Wittgenstein's thought. "The Continuum Philosophy Dictionaries" offer clear and accessible guides to the work of some of the more challenging thinkers in the history of philosophy. A-Z entries provide clear definitions of key terminology, synopses of key works, and details of each thinker's major themes, ideas and philosophical influences. The Dictionaries are the ideal resource for anyone reading or studying these key philosophers.