These works, as the sub-title makes clear, are unfinished sketches for Philosophical Investigations, possibly the most important and influential philosophical work of modern times. The 'Blue Book' is a set of notes dictated to Witgenstein's Cambridge students in 1933-1934: the 'Brown Book' was a draft for what eventually became the growth of the first part of Philosophical Investigations. This book reveals the germination and growth of the ideas which found their final expression in Witgenstein's later work. It is ...

Blue & Brown Books 1969, Blackwell Publishers, Oxford, England

ISBN-13: 9780631118909

2nd edition

Unknown binding

The Blue and Brown Books 1965, Harper Perennial, New York, NY

ISBN-13: 9780061312113

Trade paperback