Book digitized by Google from the library of the New York Public Library and uploaded to the Internet Archive by user tpb. xv, 612 pages ; 22 cm Includes bibliographical references (pages 4-5) Origin and development of early Greek thought -- Development of pre-Sophistic philosophy -- Problem of substance -- Problem of number -- Problem of change -- Explanation of change -- Age of the Sophists -- Socrates -- Plato -- Aristotle -- The outlook -- Epicureanism -- Stoicism -- Skepticism and eclecticism -- Jewish-Greek philosophy -- Neoplatonism -- Beginnings of Christianity -- Development of Christian theology -- World-view of Augustine -- Dark Ages -- Spirit of the Middle Ages -- John Scotus Erigena -- Problem of universals : realism and nominalism -- Anselm of Canterbury -- Peter Abelard and the schoolmen of the twelfth century -- Mysticism and pantheism -- Symptoms of unrest -- Arabian philosophy -- Predominance of Aristotle -- Thomas Aquinas -- Anti-scholastic tendencies : mysticism, pantheism, and natural science -- John Duns Scotus -- Nominalism -- Mysticism -- The progress of free thought -- The new enlightenment -- New philosophies -- Philosophy of nature and natural science -- Giordano Bruno and Tommaso Campanella -- New theories of the state, philosophy of religion, and skepticism -- Religious reform -- The spirit of modern philosophy -- Francis Bacon -- Thomas Hobbes -- René Descartes -- Successors of Descartes -- Benedict Spinoza -- John Locke -- Successors of Locke -- George Berkeley -- David Hume -- Rationalistic reaction in England -- Gottfried Wilhelm Leibniz -- Successors of Leibniz -- Progress of the Enlightenment -- Immanuel Kant -- Successors of Kant -- Johann Gottlieb Fichte -- Friedrich Wilhelm Schelling -- Friedrich Schleiermacher -- Georg Wilhelm Hegel -- Realism of Johann Friedrich Herbart -- Philosophy of will : Schopenhauer and Hartmann -- Neokantianism -- The new idealism -- Positivism and its opponents in France -- Scottish rationalistic philosophy -- Empiricism of John Stuart Mill -- Evolutionism of Herbert Spencer -- New idealism in England and in the United States -- The new positivistic theory of knowledge -- Pragmatism -- The intuitionism of Henri Bergson -- Realistic reaction against idealism -- Rationalism and its opponents