Ludwig Wittgenstein - 1889 - 1951 - was an Austrian-British philosopher who taught at the University of Cambridge and is known as one of the most important philosophers of the 20th century. He worked in the areas of logic and the philosophy of mathematics, the mind and language. The majority of his writing was published after his death.

• Preface AcknowledgementsAppendix I Notes on Logic, September 1913Appendix II Notes Dictated to G. E. Moore in Norway, April 1914Appendix III Extracts From Wittgenstein's Letters to Russell, 1912-20

Ludwig Wittgenstein - 1889 - 1951 - was an Austrian-British philosopher who taught at the University of Cambridge and is known as one of the most important philosophers of the 20th century. He worked in the areas of logic and the philosophy of mathematics, the mind and language. The majority of his writing was published after his death.

• Preface AcknowledgementsAppendix I Notes on Logic, September 1913Appendix II Notes Dictated to G. E. Moore in Norway, April 1914Appendix III Extracts From Wittgenstein's Letters to Russell, 1912-20