Muirhead Library of Philosophy; G. E. Moore; Preface; Chapter I Are the Characteristics of Particular Things Universal or Particular?; Chapter II A Defence of Common Sense; Chapter III Facts and Propositions; Chapter IV Is Goodness a Quality?; Chapter V Imaginary Objects; Chapter VI Is Existence a Predicate?; Chapter VII Proof of an External World; Chapter VIII Russell's ‘Theory of Descriptions’; Chapter IX Four Forms of Scepticism; Chapter X Certainty; Chapter XI Wittgenstein's Lectures in 1930–33;