This paper concentrates on Keynes’s solution to a version of Boole’s Challenge Problem of 1851. The problem is solved by Keynes mathematically at the end of Chapter 15 of the A Treatise on Probability, 1921. A study of this problem demonstrates Keynes’s understanding of Boole’s technique...

Keynes created, developed, taught and applied his version of the IS-LM model between Dec. 1933 and February 1936 when the General Theory appeared in print. Keynes used a terminology that substituted Liquidity Preference (LP) for the later designations used by Hicks, LL, and Hansen's LM. The...

Economists who analyzed Keynes's Diagram on page 180 of the General Theory erred by (a) reading only the first one-half of page 181 and (b) by using the wrong equation of liquidity preference on page 168 from chapter 13 instead of the correct equation on page 199 of chapter 15. Keynes's clearly...

J M Keynes's supposed attack on mathematical economics is a myth created by Joan Robinson and her fellow Pseudo Keynesians, Austin Robinson and Richard Kahn, as well as by many of their supporters. Nowhere does Keynes attack mathematical economics. Of course, he does attack “pseudo...

Dennis Robertson had no understanding of how J M Keynes's Multiplier concept was based on the use of differential calculus techniques that required one to take the mathematical limit of an infinite, decreasing, geometric series. Robertson failed to see that the derivative concept requires that...