Mr MacKinnon’s paper1 raises a number of important questions. In the short time that is at my disposal I can only focus on two or three of them, and this merely in a sketchy way.


Quantum Mechanic Material Object Factual Knowledge Musical Notation Open Texture 
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  1. 1.
    D. M. MacKinnon, Proc. Aris. Soc., Suppl. vol. XIX (1945), pp. 101–18.Google Scholar
  2. 1.
    See Karl Popper, Logik der Forschung, Vienna, 1935; translated as The Logic of Scientific Discovery, London, 1959.Google Scholar
  3. 1.
    See, for instance, J. V. Neumann, Mathematische Grundlagen der Quanten-mechanik, Berlin, 1932; translated as Mathematical Foundations of Quantum Mechanics, Princeton, 1955.Google Scholar

Copyright information

© The Literary Executors of F. Waismann, and R. Harré 1968

Authors and Affiliations

  • F. Waismann
    • 1
  1. 1.University of OxfordUK

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