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    LoyalLoyalJusticeJustice
    Made withinDC&Austin
    Intermediate global supervenience entails weak global sup... — Carmelics
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    Perspectives
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    Home/Modality & Possibility
    HistoryEditSee Inverse

    Connected to 2 discussions

    Supports→Strong global supervenience entails weak global supervenience.
    Supports→Strong individual supervenience entails intermediate and weak global supervenience.

    Intermediate global supervenience entails weak global supervenience.

    Consciousness & MindModality & Possibility
    ?Rate how convincing each reason is below to see the overall strength.
    1 reason for
    2 reasons against

    Reasons For

    1 perspective
    Reason for
    ?
    • 1.Intermediate global supervenience holds that at least one of any existing B-preserving isomorphisms between two worlds must itself be A-preserving.
      ?

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    • 2.If at least one B-preserving isomorphism between two worlds is A-preserving, then there exists an A-preserving isomorphism between those worlds whenever a B-preserving isomorphism exists.
      ?

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    • 3.The condition that a B-preserving isomorphism between two worlds guarantees the existence of an A-preserving isomorphism is exactly the condition required by weak global supervenience.
      ?

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    Reasons Against

    2 perspectives
    Reason against 1 of 2
    ?
    • 1.Intermediate global supervenience requires only that *some* B-preserving isomorphism is A-preserving, leaving open worlds where *no* B-preserving isomorphism is A-preserving.
      ?

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    • 2.Weak global supervenience requires that B-indiscernible worlds are A-indiscernible, a condition that cannot be secured by a merely existential claim about some isomorphisms.
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    • 3.P2 illicitly slides from 'at least one isomorphism is A-preserving' to 'an A-preserving isomorphism exists whenever a B-preserving one does,' conflating existential and universal quantification over isomorphisms.
      ?

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    Reason against 2 of 2
    ?
    • 1.The entailment from intermediate to weak global supervenience assumes that isomorphism-based indiscernibility tracks the same modal structure as property-by-property indiscernibility, but Hazen and Parsons show these can come apart in modal logics with non-rigid domains.
      ?

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    • 2.If the domains of worlds vary, a B-preserving isomorphism can exist between worlds that differ in which A-properties are instantiated, undermining P3's identification of the two conditions.
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    Modality & PossibilityConsciousness & Mind

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    Related

    Entailment is transitive.If at least one B-preserving isomorphism between two worlds is A-preserving, the...If the domains of worlds vary, a B-preserving isomorphism can exist between worl...Intermediate global supervenience holds that at least one of any existing B-pres...
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    Intermediate global supervenience requires only that *some* B-preserving isomorp...P2 illicitly slides from 'at least one isomorphism is A-preserving' to 'an A-pre...Strong global supervenience entails intermediate global supervenience.Strong global supervenience entails weak global supervenience.Strong individual supervenience entails intermediate and weak global supervenien...Strong individual supervenience entails strong global supervenience.The condition that a B-preserving isomorphism between two worlds guarantees the ...

    Similar

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    AI-extracted
    SEP: supervenience
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    It is also easy to see that strong individual supervenience entails strong global supervenience. Suppose that A-properties fail to strongly globally supervene on B-properties. That means that there are two worlds w1 and w2 between which there is a B-preserving isomorphism that fails to be A-preserving. So, for some x in w1, the image of x under I in w2—call it y—has all and only the same B-properties as x in w1, but differs from x in w1 in at least one of its A-properties. But that is just to sa

    Details

    Type
    premise
    Perspectives
    3 (1 for, 2 against)
    Edits
    1 edit
    The entailment from intermediate to weak global supervenience assumes that isomo...
    Weak global supervenience requires that B-indiscernible worlds are A-indiscernib...