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    The supposed absurdity of A=B dissolves once we reject ha... — Carmelics
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    Supports→A = B (the two spheres are identical), which is absurd given that one has a scratch and the other does not — therefore the Principle of Identity of Indiscernibles fails

    The supposed absurdity of A=B dissolves once we reject haecceitism: within a purely qualitative ontology, 'two' indiscernible spheres is not a coherent description of one possible world but a notational artifact of an illegitimately enriched modal framework.

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    Key Terms

    Haecceitism
    A theory of primitive identity of individuals across possible worlds.
    Modal framework(as the system being applied to legal verdicts)
    A philosophical approach that analyzes ideas by considering what's possible, impossible, necessary, and contingent (what could change).
    Notational artifact(philosophy of mathematics and logic)
    Something that appears to exist or be true only because of how we've written or symbolized the problem, not because it's actually real in the world.
    Ontology(Carnap argues this enterprise is based on a mistake)
    The philosophical discipline that tries to answer hard questions about what there really is.
    Qualitative ontology(describing an alternative to haecceitism)

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    A theory about what exists based only on observable properties and qualities (like color, shape, or texture) rather than on invisible identity markers.
    indiscernible(as used in logic and metaphysics)
    Unable to be distinguished or told apart from each other, even in principle. If two things are indiscernible, there's no way to tell them apart.

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    Modality & Possibility1 linkedPersonal Identity1 linked

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    A = B (the two spheres are identical), which is absurd given that one has a scra...

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