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    Paull and Sider (1992) demonstrated that under standard m... — Carmelics
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    Challenges→Global supervenience and strong supervenience are not equivalent

    Paull and Sider (1992) demonstrated that under standard mereological assumptions, global supervenience and strong supervenience are provably equivalent.

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    1 reason for
    1 reason against

    Reasons For

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    Reason for
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    • 1.Standard mereology provides determinate identity conditions for wholes based on parts, enabling rigorous proof of supervenience equivalence.
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    • 2.Global supervenience (same worlds → same properties) and strong supervenience (necessity + same intrinsic properties → same) are formally related under compositional constraints.
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    • 3.Paull and Sider's proof demonstrates that denying equivalence leads to contradictions within standard mereological frameworks.
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    Reasons Against

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    Reason against
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    • 1.The equivalence proof relies on controversial mereological axioms (unrestricted composition) that many contemporary metaphysicians reject.
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    • 2.Strong supervenience requires necessity de re, whose modal status differs from global supervenience's de dicto necessity across possible worlds.
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    • 3.The proof may conflate metaphysical grounding with logical supervenience, obscuring whether the result has substantive metaphysical implications.
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    Related

    Global supervenience (same worlds → same properties) and strong supervenience (n...Global supervenience and strong supervenience are not equivalentPaull and Sider's proof demonstrates that denying equivalence leads to contradic...Standard mereology provides determinate identity conditions for wholes based on ...
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    Strong supervenience requires necessity de re, whose modal status differs from g...The equivalence proof relies on controversial mereological axioms (unrestricted ...The proof may conflate metaphysical grounding with logical supervenience, obscur...

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    2 (1 for, 1 against)
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