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    LoyalLoyalJusticeJustice
    Made withinDC&Austin
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    Home/Original/inverse
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    Inverse View

    It is not the case that Justifying measures on sets of spacetime models as measures of objective chance in a cosmological setting is especially difficult.

    ?Set your confidence on the premises below to see your aggregate.

    Reasons For

    2 perspectives
    Reason for 1 of 2
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    • 1.Humean Best Systems accounts (Lewis, Loewer) ground objective chance in patterns across the mosaic without requiring repeated trials or physical mechanisms.
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    • 2.On the Best Systems framework, measures over cosmological models can earn chance-status by featuring in the simplest, strongest systematization of the total history.
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    • 3.Therefore the difficulty identified presupposes a non-Humean constraint on chance that is itself contested, not a universal feature of objective chance.
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    Reason for 2 of 2
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    • 1.Everettian quantum cosmology (Saunders, Wallace) derives Born-rule probabilities from branch-counting measures without invoking frequencies over distinct universe-tokens.
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    • 2.If intra-theoretic structural measures can ground objective chance in a single-universe quantum setting, analogous measure-theoretic reasoning applies to spacetime model spaces.
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    Reasons Against

    1 perspective
    Reason against
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    • 1.The frequency interpretation of objective chance is strained when the phenomenon in question — the development of closed timelike curves — may be non-repeated.
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    • 2.The propensity interpretation of objective chance is strained because there is no identifiable chance mechanism for producing cosmological models.
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    • 3.The leading interpretations of objective chance are the frequency interpretation and the propensity interpretation.
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