CONTENTS I APPEARANCE AND REALITY II THE EXISTENCE OR MATTER III THE NATURE OF MATTER IV IDEALISM V KNOWLEDGE BY ACQUAINTANCE AND KNOWLEDGE BY DESCRIPTION VI ON INDUCTION VII ON OUR KNOWLEDGE OF GENERAL PRINCIPLES VIII HOW A PRIORI KNOWLEDGE IS POSSIBLE IX THE WORLD OF UNIVERSALS X ON OUR KNOWLEDGE OF UNIVERSALS XI ON INTUITIVE KNOWLEDGE XII TRUTH AND FALSEHOOD XIII KNOWLEDGE, ERROR, AND PROBABLE OPINION XIV THE LIMITS OF PHILOSOPHICAL KNOWLEDGE XV THE VALUE OF PHILOSOPHY BIBLIOGRAPHICAL NOTE INDEX...