Originally written as a Fellowship Dissertation for King's College,
Cambridge, between 1906 and 1909, Keynes's Treatise represents his
earliest large-scale writing. Rewritten for publication during 1909 12
and 1920 1, it was the first systematic work in English on the logical
foundations of probability for 55 years. As it filled an obvious gap in
the existing theory of knowledge, it received an enthusiastic reception
from contemporaries on publication. Even today amongst philosophers, the
essence of Keynes's approach to probability is established. This edition
reprints, with Keynes's own corrections, the first edition of the
Treatise. An introduction by Professor Richard Braithwaite, formerly
Knightbridge Professor of Moral Philosophy in Cambridge and a close
friend of Keynes from the time he was finishing this book, sets Keynes's
ideas in perspective.