Preface / Chapter I - Appearance and Reality

Chapter II - The Existence of Matter

Chapter III - The Nature of Matter

Chapter IV - Idealism

Chapter V - Knowledge by Acquaintance and Knowledge by Description

Chapter VI - On Induction

Chapter VII - On Our Knowledge of General Principles

Chapter VIII - How A Priori Knowledge Is Possible

Chapter IX - The World of Universals

Chapter X - On Our Knowledge of Universals

Chapter XI - On Intuitive Knowledge

Chapter XII - Truth and Falsehood

Chapter XIII - Knowledge, Error, and Probable Opinion

Chapter XIV - The Limits of Philosophical Knowledge

Chapter XV - The Value of Philosophy / Bibliographical Note