First published in 1921, Keynes"s Treatise was the first systematic work in English on the logical foundations of probability for 55 years. Filling a gap in the existing theory of knowledge, it received an enthusiastic reception from contemporaries. Even today amongst philosophers the essence of Keynes"s approach remains in place. Это и многое другое вы найдете в книге The Collected Writings of John Maynard Keynes (Volume 8) (John Maynard Keynes)