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    Empirical tests of whether Nature is contextual seem poss... — Carmelics
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    Home/Skepticism
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    Empirical tests of whether Nature is contextual seem possible

    PerceptionSkepticism
    ?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.A subset of a suitable KS-uncolourable set could be measured
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    • 2.Cases can be produced where QM and noncontextual HV theories make measurably different predictions
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    Reasons Against

    2 perspectives
    Reason against 1 of 2
    ?
    • 1.Any empirical test of contextuality presupposes that measurement contexts are sharply defined, but apparatus settings are always imprecisely realized in practice.
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    • 2.The finite-precision loophole (Meyer, Kent, Clifton 1999) shows that any KS-uncolourable set can be approximated by a colourable set within experimental error.
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    • 3.Therefore no finite-precision experiment can distinguish genuine contextuality from a noncontextual hidden variable theory that exploits measurement imprecision.
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    Reason against 2 of 2
    ?
    • 1.Operational tests of contextuality require sequential or joint measurements whose order and compatibility conditions alter the physical system being probed.
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    • 2.Disturbance introduced by earlier measurements in a sequence can mimic contextual statistics without any underlying ontological contextuality, as Bohr himself emphasized regarding measurement interference.
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    • 3.Experimental correlations attributed to contextuality are thus systematically underdetermined between genuine KS-contextuality and classical measurement disturbance.
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    Topics

    SkepticismPerception

    Connections

    3 topics

    Truth & Knowledge2 linkedProof of definition segments1 linkedModality & Possibility1 linked

    Related

    A subset of a suitable KS-uncolourable set could be measuredAny empirical test of contextuality presupposes that measurement contexts are sh...Cases can be produced where QM and noncontextual HV theories make measurably dif...Disturbance introduced by earlier measurements in a sequence can mimic contextua...
    +4 moreShow less
    Experimental correlations attributed to contextuality are thus systematically un...Operational tests of contextuality require sequential or joint measurements whos...

    Similar

    There is reason to think that causal contextuality may be empirically ...75%Even empirical tests of KS-uncolourable directions confirming QM predi...74%According to contextualism, the proposition expressed by a sentence va...72%Imaginability is not a reliable test for possibility71%

    Source

    AI-extracted1/3 agreementValid
    SEP: kochen-specker
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    (3) The KS theorem, by its mathematical nature, is not empirically testable. However, we could, along the lines of the previous paragraphs, try to measure a subset of a suitable KS-uncolourable set. Especially, it should be possible to produce cases along the lines of Clifton’s example (3.5) where QM and a noncontextual HV theory make measurably different predictions. It seems as if such cases could provide empirical tests of whether Nature is contextual (though not whether such contextuality is
    Extraction notes

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

    Details

    The finite-precision loophole (Meyer, Kent, Clifton 1999) shows that any KS-unco...
    Therefore no finite-precision experiment can distinguish genuine contextuality f...
    Type
    claim
    Perspectives
    3 (1 for, 2 against)
    Edits
    1 edit