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    Made withinDC&Austin
    Statements
    321,452
    Perspectives
    108,905
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    42
    (K) is not known — Carmelics
    Home/Skepticism
    HistoryEditSee Inverse

    (K) is not known

    Skepticism
    ?Rate how convincing each reason is below to see the overall strength.
    1 reason for
    2 reasons against

    Reasons For

    1 perspective
    Reason for
    ?
    • 1.(K) is false
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    • 2.No one can know a proposition that is false
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    Reasons Against

    2 perspectives
    Reason against 1 of 2
    ?
    • 1.Priests and Beall's dialetheism holds that certain paradoxical sentences can be both true and false simultaneously.
      ?

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    • 2.If (K) is a dialetheia, then P2's classical assumption that falsehood precludes knowledge fails, as knowledge of true-and-false propositions may be coherent.
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    • 3.Williamson's own treatment of the Knower shows the paradox resists resolution through simple truth-value assignment, lending force to non-classical alternatives.
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    Reason against 2 of 2
    ?
    • 1.The Knower Paradox reveals that (K) is true if and only if it is false, making its truth value indeterminate rather than simply false.
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    • 2.If (K) lacks a determinate truth value, premise P2's scope is restricted and cannot be applied to establish unknowability via falsehood.
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    Skepticism

    Related

    (K) is falseIf (K) is a dialetheia, then P2's classical assumption that falsehood precludes ...If (K) lacks a determinate truth value, premise P2's scope is restricted and can...No one can know a proposition that is false
    +3 moreShow less
    Priests and Beall's dialetheism holds that certain paradoxical sentences can be ...The Knower Paradox reveals that (K) is true if and only if it is false, making i...Williamson's own treatment of the Knower shows the paradox resists resolution th...

    Similar

    The Absolute cannot be known.91%If (K) is true, then no one knows (K)83%Someone knows (K)82%(K) asserts that no one knows (K)82%

    Source

    AI-extracted1/3 agreementValid
    SEP: epistemic-paradoxes
    View source passageHide passage
    Is (K) true? On the one hand, if (K) is true, then what it says is true, so no one knows it. On the other hand, that very reasoning seems to be a proof of (K). Believing a proposition by seeing it to be proved is a sufficient for knowledge of it, so someone must know (K). But then (K) is false! Since no one can know a proposition that is false, (K) is not known.
    Extraction notes

    Validity: Extracted via Max plan + API grounding/validity checks

    Details

    Type
    claim
    Perspectives
    3 (1 for, 2 against)
    Edits
    1 edit