’s logical theory of probability is an imprecise theory of non additive probability based on intervals and dealing with rational … degrees of belief, whereas Ramsey’s theory is a precise theory of additive probability that deals with degrees of belief only …

By the time that Keynes’s logical theory of probability appeared in 1921 in his A Treatise on Probability (1921 …). Keynes was a millionaire by 1922. Keynes’s theory is an interval valued approach that can be applied in situations that …, w, is equal to, approaches, or is close to 1, 0≤w≤1, then Keynes’s theory reduces to the use of precise, exact …

Sraffa made a number of margin notes in chapter 17 in his copy of the General Theory .Contrary to Joan Robinson’s 1978 … claim ,that Sraffa had uncovered logical and mathematical errors in Keynes’s liquidity preference theory of the rate of … interest when he generalized his theory in chapter 17,the margin notes made by Sraffa are all erroneous .Sraffa’s margin notes …

misinterpreted and misrepresented Keynes's introductory analysis on interval valued probability as an ordinal theory of probability ….The result of this misinterpretation and misrepresentation of Keynes's decision theory can be seen in the response of public …