First published in 2000. Routledge is an imprint of Taylor & Francis, an informa company.

FRANK PLUMPTON RAMSEY was born on 22nd February, 1903, and died on 19th January, 1930.

PREFACE BY G.E. MOORE, EDITOR'S INTRODUCTION, BIBLIOGRAPHY NOTE ON SYMBOLISM PUBLISHED PAPERS I. THE FOUNDATIONS OF MATHEMATICS (1925) II. MATHEMATICAL LOGIC (1926) III. ON A PROBLEM OF FORMAL LOGIC (1928) IV. UNIVERSALS (1925) V. NOTE ON THE PRECEDING PAPER (1926) VI. FACTS AND PROPOSITIONS (1927) UNPUBLISHED PAPERS VII TRUTH AND PROBABILITY (1926) VIII. FURTHER CONSIDERATIONS (1928) A. REASONABLE DEGREE OF BELIEF B. STATISTICS C. CHANCE IX. LAST PAPERS (1929) A. THEORIES B. GENERAL PROPOSITIONS AND CAUSALITYC. PROBABILITY AND PARTIAL BELIEF D . KNOWLEDGE E. CAUSAL QUALITIES F. PHILOSOPHY APPENDIX: CRITICAL NOTICE OF L. WITTGENSTEIN'S TRACTATUS LOGICO-PHILOSOPHICUS (1923)