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    Carmelics

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    LoyalLoyalJusticeJustice
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    Home/Original/inverse
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    Inverse View

    It is not the case that Geach's relative identity thesis does not preclude a name from rigidly designating an object under the sortal under which it was introduced (cf. Wiggins, Sameness and Substance).

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    Reasons For

    1 perspective
    Reason for
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    • 1.If a name rigidly designates under a sortal, it presupposes absolute identity criteria, which directly contradicts Geach's relativist position.
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    • 2.The claim conflates two distinct notions: rigid designation (metaphysically fixed reference) and sortal-relative criteria (context-dependent identity).
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    Reasons Against

    1 perspective
    Reason against
    ?
    • 1.Rigid designation under a sortal (e.g., 'Socrates' as human) can be consistent with relative identity if the sortal fixes the standard of identity.
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    • 2.Wiggins's substance sortals provide persistence conditions that allow names to rigidly designate within their intended sortal without contradiction.
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    • 3.Geach's thesis permits identity relativity across different sortal frameworks while allowing stability within a single sortal context.
      ?

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