The On the Fourfold Root of the Principle of Sufficient Reason

One of the twentieth century's most eminent mathematical writers, Augustus De Morgan enriched his expositions with insights from history and psychology. On the Study and Difficulties of Mathematics represents some of his best work, containing points usually overlooked by elementary treatises, and written in a fresh and natural tone that provides a refreshing contrast to the mechanical character of common textbooks.De Morgan, Augustus is the author of 'The On the Fourfold Root of the Principle of Sufficient Reason', published 1974 under ISBN 9780875481876 and ISBN 0875481876.