Copyright and Licence -- Title Page -- A Note on the Author -- Contents -- The Tractatus -- Introduction -- Metaphysics in the Tractatus -- Objects in the Tractatus -- Substance and Possibility -- Truth -- Discussion Points -- The Picture Theory -- Introduction -- Elementary Propositions -- Empiricist Interpretation of the Tractatus -- Discussion Points -- Meaning and Nonsense -- Meaning -- Understanding -- The Limits of Sense -- The Purpose of Philosophy -- Discussion Points -- Necessity -- Introduction -- Necessity in the Tractatus -- Towards the Later Philosophy -- Discussion Points -- Meaning and Use -- Introduction -- The Augustinian View -- Criticism of the Augustinian View -- Family Resemblance and Language Games -- Discussion Points -- Sensations and Private Language -- Introduction -- The Cartesian Model and Private Language -- The Private Language Argument -- Sensations -- Discussion Points -- Following a Rule -- Meaning and Rule-Following -- Wittgenstein's Response -- Kripke's Sceptical Interpretation -- Necessity -- Discussion Points.