Originally published in 1917, this text serves as a useful introduction to philosophy and well-summarises the key theories of great philosophers throughout the centuries and their bearing on early twentieth-century thought. It is ideal for students of Philosophy.

Introduction: What is Philosophy?; Book I: General Problems of Knowledge -From Doubt to Belief; 1. How to Begin 2. The Problem of Belief 3. The General Nature of Choice 4. The Primary Implications of Belief 5. The Import of Judgement 6. Laws of Thought 7. The Conception of Objective Order 8. Truth and Reality 9. The General Nature of Knowledge 10. Theories of Knowledge; Book II: Special Aspects of the Universe as Known-From Nature to Spirit; 1. Categories 2. Qualitative Conceptions 3. Quantitative Conceptions 4. Causation 5. Modes of Unity 6. The Unity of Consciousness 7. Social Unity 8. The Conception of Value 9. The Problem of Freedom 10. The Nature of Personality 11. Spiritual Unity; Book III: The Universe as a Whole-From Chaos to Cosmos; 1. The General Structure of Our Universe 2. Some Ultimate Problems 3. The Finite and the Infinite 4. The Conception of a Cosmos; Conclusion: General Results; Index