2013 Reprint of 1927 American Edition. Full facsimile of the original edition, not reproduced with Optical Recognition Software. Revised second edition of this classic text. Although the original text was published in 1923 it has been used as a textbook in many fields including linguistics, philosophy, language, cognitive science and most recently semantics and semiotics in general. The book has been in print continuously since 1923. Richards sets forth a contextual theory of Signs: that Words and Things are connected through their occurrence together with things. The book would later...

THE TRACTATUS LOGICO-PHILOSOPHICUS is the only book-length philosophical work published by the Austrian philosopher Ludwig Wittgenstein in his lifetime. The project had a broad aim - to identify the relationship between language and reality and to define the limits of science - and is recognized as a significant philosophical work of the twentieth century. Wittgenstein wrote the notes for the Tractatus while he was a soldier during World War I and completed it when a prisoner of war at Como and later Cassino in August 1918. It was first published in German in 1921 as 'Logisch-Philosophische...