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    The Time-Symmetric Gold Universe Reconsidered

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    Publication date
    2016
    Author
    Weinert, Friedel
    Keyword
    Time-symmetric Gold universe model; Cosmological arrow of time; Physical universe; Parity-of-reasoning argument; Double-standard fallacy argument
    Peer-Reviewed
    yes
    
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    Abstract
    The present article proposes to re-examine the parity-of-reasoning or double-standard fallacy argument, which favours a time-symmetric Gold universe model over a cosmological arrow of time. There are two reasons for this re-examination. One is empirical: 1) the recent discovery of an expanding and accelerating universe questions the symmetry assumption of the Gold universe on empirical grounds; 2) the other is theoretical: the argument from t-symmetry fails to take into account some important aspects of the topology of phase space and recently developed typicality arguments. If the parity-of-reasoning argument, which depends on the t-symmetry of probability, is reconsidered in terms of the topology of phase space and typicality arguments, the double-standard fallacy argument loses much of its appeal. The Gold universe model itself suffers from unexplained dynamic asymmetries. The upshot of this paper is that the Gold universe model is implausible or far less plausible than asymmetric models.
    URI
    http://hdl.handle.net/10454/10680
    Version
    Accepted Manuscript
    Citation
    Weinert F (2016) The Time-Symmetric Gold Universe Reconsidered. International Studies in the Philosophy of Science 30(3): 231-243.
    Link to publisher’s version
    https://doi.org/10.1080/02698595.2017.1316119
    Type
    Article
    Collections
    Social Sciences Publications

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