Introduction
Part 1 First Period The Pre-Socratic Philosophy
Chapter 1 I. The Milesians
Chapter 2 II. The Pythagoreans
Chapter 3 III. The Eleatics and Heraclitus
Chapter 4 IV. The Compromise-Systems of the Fifth Century and the Last of the Pre-Socratic Philosophers
Chapter 5 V. The Sophists
Part 2 Second Period The Attic Philosophy: Socrates and the Socratics, Plato, Aristotle
Chapter 6 I. Socrates
Chapter 7 II. The Minor Socratic Schools
Chapter 8 III. Plato and the Academy
Chapter 9 IV. Aristotle and the Peripatetic School
Part 3 Third Period Hellenistic Philosophy. Stoa. The Later Cynicism. Epicureanism. Scepticism. Eclecticism
Chapter 10 I. The Stoic Philosophy
Chapter 11 II. The Later Cynicism
Chapter 12 III. The Epicurean Philosophy
Chapter 13 IV. The Sceptics
Chapter 14 V. Eclecticism
Part 4 Fourth Period The Philosophy of the Roman Empire
Chapter 15 I. Continuance and Revival of the Old Schools
Chapter 16 II. Neo-Platonism