Introduction
Part1: No-classes theories and substitutional theories 1905 ? 06
1. The Theory of Implication [1905?06]
2. On Some Difficulties in the Theory of Transfinite Numbers and Order Types [1905?06]
3. Early Work on the Substitutional Theory [1905]
4. Developing the Substitutional Theory [1906?07]
5. Two Drafts on Substitution [1906]
6. A Paper Withdrawn from Publication [1906]
7. Logic in Which Propositions Are Not Entities [1906]
8. On the Functional Theory of Propositions, Classes and Relations [1906]
9. The Paradoxes of Logic [1906]
10. Multiplicative Axiom [1906]
11. The Paradox of the Liar [1906]
12. List of Propositions [1906]
Part2: Theories of Truth 1906 ? 08
13. Two Reviews of Joachim [1906]
14. On the Nature of Truth [1907]
15. The Nature of Truth [1907]
16. William James’s Conception of Truth [1908]
Part3: From substitutional theories to the ramified theory of types 1906 ? 08
17. Corrections Required in PresentWork [1906]
18. Early Drafts on the Theory of Types [1906?08]
19. Fundamentals [1907]
20. The RegressiveMethod of Discovering the Premises of Mathematics [1907]
21. "If" and "Imply", A Reply to Mr.MacColl [1908]
22. Mathematical Logic as Based on the Theory of Types [1908]
23. Partial Drafts of Principia Mathematica [c.1908]
Part4: Reviews on foundations of mathematics
24. M. Poincare’s Science et hypothese [1906]
25. Two Reviews of MacColl [1906]
26. Review of Pastore, Logica formale dedotta dalla considerazione di modelli meccanici [1906]
27. The Study of Logic [1906]
28. Two Reviews of Meinong [1906?07]
29. Mr. Haldane on Infinity [1908]
Part5: Other philosophical reviews and writings
30. Is Reason Irrational? [1906]
31. Metaphysics for the Man of Action [1907]
32. Spinoza’sMoral Code [1907]
33. Newton’s Philosophy [1908]
34. Determinism and Morals [1908]
35. Review of Essays, Philosophical and Psychological, in Honor of William James [1908]
36. A Reply to Dr. Schiller [1908] Appendices Index