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    Non-factorizability does not imply non-locality — Carmelics
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    Non-factorizability does not imply non-locality

    Causation
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    2 reasons for
    2 reasons against

    Reasons For

    2 perspectives
    Reason for 1 of 2
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    • 1.Non-factorizability is a statistical property of probability distributions, not a direct indicator of causal structure between space-like separated events.
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    • 2.Fine (1982) demonstrated that non-factorizability can be reproduced by local deterministic hidden variable models when the marginal distributions are not assumed to be independent.
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    • 3.Therefore, non-factorizability alone, absent additional assumptions like parameter independence, underdetermines whether any non-local causal connection exists.
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    Reason for 2 of 2
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    • 1.Cartwright's distinction between causal and phenomenological laws shows that joint probability distributions describe correlational patterns without entailing any particular causal topology.
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    • 2.Bell correlations can be embedded in relational frameworks, such as Rovelli's relational quantum mechanics, where non-factorizability reflects observer-relative states rather than non-local causation.
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    • 3.If non-factorizability is interpretable within a locally consistent relational ontology, it cannot be taken as unambiguous evidence for non-locality.
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    Reasons Against

    2 perspectives
    Reason against 1 of 2
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    • 1.Correlations need not have causal explanations
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    • 2.If correlations require no causal explanation, then non-factorizability need not be explained by a non-local causal connection
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    Reason against 2 of 2
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    • 1.Common causes do not always screen off the correlation between their effects
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    • 2.If common causes need not screen off correlations, then non-factorizability need not indicate a failure of locality
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    Related

    Bell correlations can be embedded in relational frameworks, such as Rovelli's re...Cartwright's distinction between causal and phenomenological laws shows that joi...Common causes do not always screen off the correlation between their effectsCorrelations need not have causal explanations
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    Fine (1982) demonstrated that non-factorizability can be reproduced by local det...If common causes need not screen off correlations, then non-factorizability need...If correlations require no causal explanation, then non-factorizability need not...If non-factorizability is interpretable within a locally consistent relational o...Non-factorizability is a statistical property of probability distributions, not ...Therefore, non-factorizability alone, absent additional assumptions like paramet...

    Similar

    If common causes need not screen off correlations, then non-factorizab...81%If correlations require no causal explanation, then non-factorizabilit...81%The non-locality of observables follows from diffeomorphism invariance...74%The field is constrained to be non-negative everywhere.69%

    Source

    AI-extracted1/3 agreementValid
    SEP: qm-action-distance
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    Finally, there are those who question the assumption that factorizability is a locality condition (Fine 1981, 1986, pp. 59-60, 1989b, Cartwright 1989, chaps. 3 and 6, Chang and Cartwright 1993). Accordingly, they deny that non-factorizability implies non-locality. The main thrust of this line of reasoning is that the principle of the common cause is not generally valid. Some, notably Cartwright (1989) and Chang and Cartwright (1993), challenge the assumption that common causes always screen off
    Extraction notes

    Validity: Extracted via Max plan + API grounding/validity checks

    Details

    Type
    claim
    Perspectives
    4 (2 for, 2 against)
    Edits
    1 edit