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    Carmelics

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    Home/Original/inverse
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    Inverse View

    It is not the case that Narrow functional role alone cannot distinguish Twin Earth water-thoughts from Earth water-thoughts, as Putnam's 1975 argument demonstrates.

    ?Set your confidence on the premises below to see your aggregate.

    Reasons For

    1 perspective
    Reason for
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    • 1.Narrow functional roles may incorporate historical-counterfactual dispositions about how systems would respond to varied external inputs.
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    • 2.Even internally identical agents can instantiate different functional roles if roles are defined relationally to actual vs. counterfactual environments.
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    • 3.Putnam's argument shows content externalism is true, but doesn't prove narrow functionalism is false—only that narrow properties don't exhaust thought individuation.
      ?

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    Reasons Against

    1 perspective
    Reason against
    ?
    • 1.Narrow functional roles are defined by internal computational relations alone, independent of external environment or causal history.
      ?

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    • 2.Twin Earth and Earth are molecularly identical internally, so their residents have identical narrow functional roles for any mental state.
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    • 3.If thoughts differed despite identical narrow roles, content would depend on external factors beyond functional organization itself.
      ?

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