books.google.co.uk - In this 1921 opus, Wittgenstein defined the object of philosophy as the logical clarification of thoughts and proposed the solution to most philosophic problems by means of a critical method of linguistic analysis. Beginning with the principles of symbolism, the author applies his theories to traditional...http://books.google.co.uk/books/about/Tractatus_Logico_philosophicus.html?id=Z2gLU0id72sC&q=true+or+false&utm_source=gb-gplus-shareTractatus Logico-philosophicus