I. picture theory and the Tractatus ontology
1. sketch of the picture theory of language
2. thesis that the meaning of a name is its bearer, and the determinacy of sense
3. Names and simple objects
4. Wittgenstein's later discussion of simples
II. abandonment of the picture theory
1. problem of intentionality and the shipwreck of the picture theory
2. intentionality of assertions
3. Consequences of Wittgenstein's post-Tractarian account of intentionality for doctrines of the Tractatus and for the course of Wittgenstein's later work
III. Use
1. 'calculus theory' and anti-psychologism
2. Wittgenstein's rejection of the calculus theory
3. Is there a later account of use?
4. Simples again.