Published online by Cambridge University Press: 14 March 2022
In his paper ‘The Gibbs Paradox and the Distinguishability of physical Systems’ (this Journal, July 1964) Robert Rosen discusses the discontinuity of the diffusion entropy S of two gases, A and B.
1 For details refer to A. Landé, ‘Continuity, a Key to Quantum Mechanics', Philosophy of Science 20 (1953), 101-109. Foundations of Quantum Theory, a Study in Continuity and Symmetry, Yale University Press 1955, and the comprehensive late report in New Foundations of Quantum Mechanics, Cambridge University Press, to appear Spring 1965.