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    Quine's criterion ties ontological commitment to existent... — Carmelics
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    Supports→Quantifier criteria for ontological commitment face problems when there are metaphysically necessary connections between non-identical things.

    Quine's criterion ties ontological commitment to existential quantification, but necessitation relations (e.g., singleton sets necessitating their members) import ontological baggage no bound variable captures.

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    Key Terms

    Bound variable(as used in formal logic)
    In logic and mathematics, a variable whose value is restricted or limited by a surrounding rule or statement—think of it like a placeholder in a formula that's been pinned down by the context around it.
    Existential quantification(in formal logic)
    A logical claim that says 'at least one thing has this property'—like saying 'someone in this room speaks French' rather than 'everyone in this room speaks French.'
    Necessitation relations(the specific theory these three philosophers debated)
    Connections that force one thing to happen when another happens—like how a law of physics requires certain outcomes.
    Ontological baggage(The statement suggests that necessitation relations bring in more things we must believe exist than Quine's criterion accounts for.)
    Extra things or entities you have to admit exist as a side effect of your claims, even if you didn't mean to commit to them.

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    Quine(as a proper name referring to the philosopher whose theory is being discussed)
    Willard Van Orman Quine was a 20th-century American philosopher who wrote about how we know things and how language works. In this statement, we're discussing one of his specific ideas about observation.
    Singleton sets(as the mathematical objects whose membership is being discussed)
    In mathematics and logic, a set that contains only one thing—like a box with a single item inside it.
    ontological commitment(Used to derive that literal truth of 'a is F' entails existence of a)
    The criterion by which acceptance of a sentence as literally true commits one to the existence of the objects referred to by singular terms in that sentence, provided the sentence cannot be paraphrased away.

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    Truth & Knowledge1 linkedModality & Possibility1 linked

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    Quantifier criteria for ontological commitment face problems when there are meta...

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