[ CHAPTER X. NEOPLATONISM ]

[ CHAPTER XI. CHRISTIANITY ]

[ PART II. IN THE MIDDLE AGES ]

[ CHAPTER I. FROM THE FIFTH CENTURY TO THE THIRTEENTH ]

[ CHAPTER II. THE THIRTEENTH CENTURY ]

[ CHAPTER III. THE FOURTEENTH AND FIFTEENTH CENTURIES ]

[ CHAPTER IV. THE SIXTEENTH CENTURY ]

[ PART III. MODERN TIMES ]

[ CHAPTER I. THE SEVENTEENTH CENTURY ]

[ CHAPTER II. CARTESIANS ]