London: C. J. CLAY AND SONS, CAMBRIDGE UNIVERSITY PRESS WAREHOUSE, AVE MARIA LANE. Glasgow: 50, WELLINGTON STREET. Leipzig: F. A. BROCKHAUS. New York: THE MACMILLAN COMPANY. Bombay and Calcutta MACMILLAN AND CO., LTD. [All Rights reserved] OF ANCIENT PHILOSOPHY FROM THALES TO CICERO BY JOSEPH B. MAYOR, M.A. CAMBRIDGE AT THE UNIVERSITY PRESS TABLE OF CONTENTS. A. PRE-SOCRATIC PHILOSOPHY OF NATURE. IONIC SCHOOL. One ever-changing self-developed universe. ITALIC SCHOOL. One unchanging self-existent universe 1 Ritter in his History of Ancient Philosophy employs the terms |