The SIPTA (Society for Imprecise Probability,Theory and Application) view of Keynes's contributions to imprecise probability and application form a one-to-one, onto mapping from the claims of Henry E. Kyburg to what is accepted as being what Keynes's contribution was. Thus, if one is familiar...

J M Keynes's two logical relations of rational degree of probability, α, 0≤α≤1 and Evidential Weight of the Argument, w, 0≤w≤1, where w measures the degree of completeness of the evidence, can't be represented or associated with ordinal probability, although Keynes's theory of...

Economists, working in the Heterodox schools of economics, have severely confused Keynes's interval valued probability–weight of the evidence approach to decision making from the A Treatise on Probability, that Keynes integrated into the General Theory by way of his definition of uncertainty...

Adam Smith and J M Keynes were both practitioners of virtue ethics who rejected Benthamite Utilitarianism. Their axiomatic foundations consist of the following three axioms only. The first is that probabilities are nonadditive, in general. Additivity is a special case. The second is that...

Keynes's initial, introductory presentation of his inexact measurement, approximation approach to interval valued probability occurred on pages 38-40 of chapter III of the A Treatise on Probability. Keynes used a simple diagram on page 38 to illustrate the non linear and non additive nature of...