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    Carmelics

    A reasoning platform. Break down any belief into clear reasons, explore both sides, and weigh the evidence honestly.

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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 If 'Hesperus is Hesperus' and 'Hesperus is Phosphorus' are necessarily equivalent yet differ in cognitive significance, propositional content must be finer-grained than necessity.

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

    Reasons For

    1 perspective
    Reason for
    ?
    • 1.Cognitive significance reflects epistemic access and belief psychology, not propositional content itself—these are separable phenomena.
      ?

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    • 2.Both statements have identical truth conditions and reference the same object; finer-grained content seems metaphysically unmotivated.
      ?

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    • 3.Necessity is the standard metric for propositional equivalence in modal semantics; expanding content-identity risks theoretical incoherence.
      ?

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    Reasons Against

    1 perspective
    Reason against
    ?
    • 1.Ancient astronomers could rationally reject 'Hesperus is Phosphorus' while accepting 'Hesperus is Hesperus', showing cognitive difference.
      ?

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    • 2.Necessary truths can differ in informativeness; necessity alone cannot explain why identity statements vary in epistemic value.
      ?

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    • 3.If propositional content tracked only necessary equivalence, Frege's puzzle about informative identities would lack adequate explanation.
      ?

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