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    LoyalLoyalJusticeJustice
    Made withinDC&Austin
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    Home/Original/inverse
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    Inverse View

    It is not the case that Systematic non-intersubstitutability salva congruitate is a reliable indicator of categorial difference, as Davidson's work on logical form demonstrates.

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    Reasons For

    1 perspective
    Reason for
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    • 1.Non-substitutability can reflect pragmatic context, speaker intention, or stylistic norms rather than fundamental categorial boundaries.
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    • 2.Davidson's event analysis explains logical form without requiring non-substitutability as the *indicator* of categorial difference itself.
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    • 3.Many genuine category members are non-intersubstitutable (specific horses vs. horse-hood), so the criterion conflates distinct philosophical issues.
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    Reasons Against

    1 perspective
    Reason against
    ?
    • 1.Davidson showed that adverbs and event quantifiers have distinct logical forms, revealing categorial differences invisible to surface grammar.
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    • 2.Systematic failures of substitution (e.g., 'slowly' for 'swiftly') reveal deep semantic structure reflecting genuine ontological categories.
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    • 3.If expressions are truly intersubstitutable salva congruitate across contexts, they express the same semantic content and belong to same category.
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