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    Modern formal semantics successfully defines logical cons... — Carmelics
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    Challenges→Frege demonstrated that logical constants like 'and' and 'not' cannot be implicitly defined by their structural roles without presupposing their meanings.

    Modern formal semantics successfully defines logical constants through truth conditions derived from structural roles alone.

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    Frege demonstrated that logical constants like 'and' and 'not' cannot be implici...

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    Frege demonstrated that logical constants like 'and' and 'not' cannot be implici...

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