This comment makes a response to one of several points made in Bill Gerrrard's (2023) criticisms of Bateman (2021) in particular, this comment clarifies Keynes's use of mathematical expectation in The General Theory (1936).

This paper offers a re-interpretation of the relationship between Keynes’s A Treatise on Probability and the General Theory. Keynes’s thought on philosophy, probability and economics is viewed as a process of contextual evolution in which his thought evolved as its context changed,...