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    Necessitism, though a logical truth of SQML, is not analy... — Carmelics
    Home/Modality & Possibility
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    Necessitism, though a logical truth of SQML, is not analytically entailed by possibilism.

    Modality & Possibility
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    1 reason for
    2 reasons against

    Reasons For

    1 perspective
    Reason for
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    • 1.There is nothing in the concept of a mere possibile that demands its necessity.
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    • 2.Nothing in the concept of a mere possibile rules out worlds from which that possibile might be altogether absent — worlds in which nothing is identical to it.
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    Reasons Against

    2 perspectives
    Reason against 1 of 2
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    • 1.Possibilism is committed to a fixed domain of possibilia that exists across all worlds, making every possible object necessarily existent in that domain.
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    • 2.If possibilia are ontologically basic constituents of modal space, their existence cannot be contingent without collapsing the distinction between actualism and possibilism.
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    • 3.David Lewis's modal realism, the paradigm possibilist framework, entails that every individual exists necessarily as a denizen of some world, making necessitism a structural consequence of the view.
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    Reason against 2 of 2
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    • 1.The supporting argument conflates two senses of 'absence': being absent from a world's local domain versus failing to exist in the global possibilist ontology.
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    • 2.Williamson's necessitism in 'Modal Logic as Metaphysics' demonstrates that possibilism's quantifiers range over all possibilia at every world, so no possibile can be 'altogether absent' from the global domain.
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    • 3.If possibilism's ontology is world-invariant by design, then the conceptual room the supporting arguments claim for contingent possibilia is already closed off by the possibilist's own semantic commitments.
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    Modality & Possibility

    Related

    David Lewis's modal realism, the paradigm possibilist framework, entails that ev...If possibilia are ontologically basic constituents of modal space, their existen...If possibilism's ontology is world-invariant by design, then the conceptual room...Nothing in the concept of a mere possibile rules out worlds from which that poss...
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    Possibilism is committed to a fixed domain of possibilia that exists across all ...The supporting argument conflates two senses of 'absence': being absent from a w...There is nothing in the concept of a mere possibile that demands its necessity.Williamson's necessitism in 'Modal Logic as Metaphysics' demonstrates that possi...

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    SEP: possibilism-actualism
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    Although it is a logical truth of SQML, necessitism is not analytically entailed by possibilism. There is, in particular, nothing in the idea of a mere possibile that demands its necessity, nothing that rules out worlds from which it might be altogether absent, worlds (in addition to those in which it is either concrete or non-concrete) in which nothing is identical to it. This might lead one to wonder whether SQML, by building necessitism into its logical foundations, has (from a possibilist pe
    Extraction notes

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    Details

    Type
    claim
    Perspectives
    3 (1 for, 2 against)
    Edits
    1 edit