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    Identity claims require that co-referring terms share all... — Carmelics
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    Challenges→Type-type identity theory offers a solution to the explanatory gap problem with respect to qualia.

    Identity claims require that co-referring terms share all explanatory properties, but 'pain' and 'C-fiber firing' differ in their epistemic accessibility and explanatory roles.

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    1 reason for
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    Reasons For

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    Reason for
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    • 1.Pain is knowable through first-person introspection; C-fiber firing requires third-person empirical methods. Different access routes indicate non-identity.
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    • 2.Pain explains behavior via subjective discomfort; C-fibers explain via mechanistic neural causation. Distinct explanatory roles suggest distinct properties.
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    • 3.True identity statements (like 'water = H2O') preserve all properties across reference terms. Pain-C-fiber identity fails this requirement.
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    Reasons Against

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    • 1.Epistemic properties (knowability, explanation-type) describe access methods, not intrinsic nature. Heat and molecular motion differ similarly yet are identical.
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    • 2.Identity claims only require sameness of *referent*, not sameness of *explanatory utility*. Different descriptions serve different explanatory purposes without undermining identity.
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    • 3.We now know subjective accessibility differs from neural accessibility for many brain states. This gap reflects cognitive limits, not metaphysical distinctness.
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    Consciousness & Mind1 linked

    Related

    Epistemic properties (knowability, explanation-type) describe access methods, no...Identity claims only require sameness of *referent*, not sameness of *explanator...Pain explains behavior via subjective discomfort; C-fibers explain via mechanist...Pain is knowable through first-person introspection; C-fiber firing requires thi...
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    True identity statements (like 'water = H2O') preserve all properties across ref...Type-type identity theory offers a solution to the explanatory gap problem with ...We now know subjective accessibility differs from neural accessibility for many ...

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