
Originally published in 1967. The common aim of all logical enquiry is to discover and analyse correctly the forms of valid argument. In this book concise expositions of traditional, Aristotelian logic and of modern systems of propositional and predicative logic show how far that aim has been achieved.
David Stephen Mitchell (born 12 January 1969) is an English novelist, television writer, and screenwriter. He has written nine novels, two of which, *number9dream* (2001) and *Cloud Atlas* (2004), were shortlisted for the Booker Prize. He has also written articles for several newspapers, most notably for *The Guardian*, and translated books about autism from Japanese to English. **Source**: <a href="https://en.wikipedia.org/wiki/David_Mitchell_(author)" target="blanck">David Mithchell</a> on Wikipedia

Originally published in 1967. The common aim of all logical enquiry is to discover and analyse correctly the forms of valid argument. In this book concise expositions of traditional, Aristotelian logic and of modern systems of propositional and predicative logic show how far that aim has been achieved.
David Stephen Mitchell (born 12 January 1969) is an English novelist, television writer, and screenwriter. He has written nine novels, two of which, *number9dream* (2001) and *Cloud Atlas* (2004), were shortlisted for the Booker Prize. He has also written articles for several newspapers, most notably for *The Guardian*, and translated books about autism from Japanese to English. **Source**: <a href="https://en.wikipedia.org/wiki/David_Mitchell_(author)" target="blanck">David Mithchell</a> on Wikipedia