Author Russell, Bertrand, 1872-1970 Title The Problems of Philosophy Contents Appearance and reality -- The existence of matter -- The nature of matter -- Idealism -- Knowledge by acquaintance and knowledge by description -- On induction -- On our knowledge of general principles -- How a priori knowledge is possible -- The world of universals -- On our knowledge of universals -- On intuitive knowledge -- Truth and falsehood -- Knowledge, error, and probable opinion -- The limits of philosophical knowledge -- The value of philosophy -- Bibliographical note. Language English LoC Class B: Philosophy, Psychology, Religion Subject Knowledge, Theory of Subject Metaphysics Subject Philosophy -- Introductions