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    Carmelics

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    LoyalLoyalJusticeJustice
    Made withinDC&Austin
    Statements
    321,452
    Perspectives
    108,905
    Topics
    42
    Home/Original/inverse
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    Inverse View

    It is not the case that Propositions have parts that correspond to functions, specifically conditional functions that map arguments onto special values reflecting truth or falsity.

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    Reasons For

    2 perspectives
    Reason for 1 of 2
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    • 1.Davidson argued that truth conditions for propositions are given by T-sentences, not by functions mapping arguments onto Fregean truth-values.
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    • 2.If Tarski's semantic theory adequately captures propositional truth without positing abstract truth-values as objects, Frege's functional ontology is explanatorily redundant.
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    • 3.Quine's criterion of ontological commitment gives us principled grounds to reject abstract truth-values as unnecessary posits in a parsimonious semantic theory.
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    Reason for 2 of 2
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    • 1.Wittgenstein's Tractatus shows propositions are pictures of facts, not function-argument structures mapping onto truth-values.
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    • 2.The picture theory entails that logical form is shown, not said, making functional decomposition a category error.
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    Reasons Against

    1 perspective
    Reason against
    ?
    • 1.Frege held that propositions have parts that correspond to functions.
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    • 2.Frege held that these include conditional functions mapping arguments onto values reflecting the truth or falsity of propositions/sentences.
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