A Beginner's History of Philosophy, Vol. 1: Ancient and Mediæval Philosophy
CHAPTER XII. SKEPTICISM AND ECLECTICISM, 264
THE APPEARANCES OF PHILOSOPHIC SKEPTICISM, 264 THE THREE PHASES OF PHILOSOPHIC SKEPTICISM, 265 1. The First Phase of Philosophic Skepticism is called Pyrrhonism, 265 2. The Second Period of Philosophic Skepticism――The Skepticism of the Academy, 266 3. The Third Period of Philosophic Skepticism――Sensationalistic Skepticism, 268 THE LAST CENTURY AND A HALF OF THE ETHICAL PERIOD, ECLECTICISM, 269