┌ ┌ │ │ Cosmological, 625–480 (to │ Greek, 625–322 │ Persian Wars). │ B. C. (to │ │ death of ┤ Anthropological, 480–399 (to │ Aristotle). │ death of Socrates). │ │ Systematic, 399–322 (to death │ │ of Aristotle). │ └ 1. Ancient 625 ┤ ┌ B. C.–476 A. D. │ Hellenic-Roman │ │ 322 B. C.–476 │ Ethical, 322 B. C.–1 A. D. │ A. D. (from │ (to beginning of Christian │ death of ┤ era). │ Aristotle to │ │ fall of old │ Religious, 100 B. C.–476 A. D. │ Rome). │ └ └ ┌ │ Early Mediæval, 476–1000 (from the fall of old │ Rome to the beginnings of modern Europe). │ 2. Mediæval ┤ Transitional Mediæval (1000–1200), (from 476–1453 │ beginnings of modern Europe to Crusades). │ │ Classic Mediæval, 1200–1453 (from the Crusades │ to the fall of new Rome or Constantinople). └ ┌ ┌ │ Renaissance, │ │ 1453–1690 │ Humanistic, 1453–1600. │ (to Locke’s │ │ Essay and ┤ │ the English │ Natural Science, 1600–1690. │ Revolution). │ 3. Modern │ └ 1453–modern ┤ times │ Enlightenment, 1690–1781 (from Locke’s Essay to │ Kant’s Critique). │ │ German Idealism, 1781–1831 (from Kant’s Critique │ to the death of Hegel). │ │ Evolution, 1820 to the present time. └ BOOK I ANCIENT PHILOSOPHY (625 B. C.–476 A. D.) CHAPTER I THE EARLY GREEK IN ANCIENT PHILOSOPHY