books.google.com - "No mathematician can be a complete mathematician unless he is also something of a poet." — K. Weierstrass In this lively and stimulating account, noted mathematician and educator W. W. Sawyer (Professor Emeritus, University of Toronto) defines mathematics as "the classification and study of all possible...http://books.google.com/books/about/Prelude_to_Mathematics.html?id=6wF4SklxcnkC&q=Galois+Theory&utm_source=gb-gplus-sharePrelude to Mathematics