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Facts, Values and Quanta

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Abstract

Quantum mechanics is a fundamentally probabilistic theory (at least so far as the empirical predictions are concerned). It follows that, if one wants to properly understand quantum mechanics, it is essential to clearly understand the meaning of probability statements. The interpretation of probability has excited nearly as much philosophical controversy as the interpretation of quantum mechanics. 20th century physicists have mostly adopted a frequentist conception. In this paper it is argued that we ought, instead, to adopt a logical or Bayesian conception. The paper includes a comparison of the orthodox and Bayesian theories of statistical inference. It concludes with a few remarks concerning the implications for the concept of physical reality.

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  1. Department of Physics, Queen Mary University of London, Mile End Rd, London, E1 4NS, UK

    D. M. Appleby

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Appleby, D.M. Facts, Values and Quanta. Found Phys 35, 627–668 (2005). https://doi.org/10.1007/s10701-004-2014-6

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  • DOI: https://doi.org/10.1007/s10701-004-2014-6

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