In writing this book on the problem of philosophy, the great mathematician and philosopher. Bertrand Russel confined himself mainly to those problems of philosophy on which he thought he could say something positive and constructive. Needles to say that this is one of the pioneer works on this subject and a valuable asset for every home and library.

Contents: Preface. 1. Appearance and reality. 2. The existence of matter. 3. The nature of matter. 4. Idealism. 5. Knowledge by acquaintance and knowledge by description. 6. On Induction. 7. On our knowledge of general principles. 8. How a priori knowledge is possible. 9. The world of Universals. 10. On our knowledge of Universals. 11. On intuitive knowledge. 12. Truth and falsehood. 13. Knowledge error and probable opinion. 14. The limits of philosophical knowledge. 15. The value of philosophy.