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    The flux theory's individuation of perceivers by percepti... — Carmelics
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    Home/Perception
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    The flux theory's individuation of perceivers by perception-events is required to sustain the thesis that knowledge is perception.

    PerceptionTruth & Knowledge
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    1 reason for
    2 reasons against

    Reasons For

    1 perspective
    Reason for
    ?
    • 1.The definition of knowledge as perception entails that all appearances are true.
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    • 2.Preserving the claim that all appearances are true requires that conflicting appearances (e.g., dream vs. waking) not be assigned to the same perceiver.
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    • 3.Individuating the same perceiver by the same combination of perception and perceiving (rather than by a persisting subject) prevents the assignment of conflicting appearances to a single perceiver.
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    Reasons Against

    2 perspectives
    Reason against 1 of 2
    ?
    • 1.Protagorean relativism can sustain 'all appearances are true' by relativizing truth to the individual persisting subject, not to momentary perception-events.
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    • 2.If 'man is the measure' is indexed to enduring persons, conflicting appearances are merely relativized to the same subject at different times, not rendered contradictory.
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    • 3.The flux theory's individuation by perception-events is therefore one strategy among several, not a necessary condition for the Protagorean thesis.
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    Reason against 2 of 2
    ?
    • 1.Aristotle's critique in Metaphysics Gamma shows that radical flux destroys the identity conditions needed for any predication, including the predication 'X perceives Y'.
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    • 2.If the perceiver is wholly dissolved into discrete perception-events, the concept of perception itself—which requires a subject who perceives—becomes incoherent.
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    • 3.The flux theory thus undermines the very perceptual relation it is invoked to protect, making it self-defeating as a foundation for 'knowledge is perception'.
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    Topics

    PerceptionTruth & Knowledge

    Key Terms

    knowledge(Distinguished from mere true belief, which may be the product of indoctrination and need not exercise deliberative capacities.)
    Justified true belief — true belief that has been arrived at through the exercise of deliberative capacities, including comparison of and deliberation among alternatives.

    Related

    Aristotle's critique in Metaphysics Gamma shows that radical flux destroys the i...If 'man is the measure' is indexed to enduring persons, conflicting appearances ...If the perceiver is wholly dissolved into discrete perception-events, the concep...Individuating the same perceiver by the same combination of perception and perce...
    +5 moreShow less
    Preserving the claim that all appearances are true requires that conflicting app...Protagorean relativism can sustain 'all appearances are true' by relativizing tr...The definition of knowledge as perception entails that all appearances are true.The flux theory thus undermines the very perceptual relation it is invoked to pr...The flux theory's individuation by perception-events is therefore one strategy a...

    Similar

    According to the flux theory, a perceiver is individuated by a specifi...91%A theory of perception must account for the semantic structure of perc...79%The flux theorist can preserve the claim that all appearances are true...78%A complete theory of perception requires specifying the type of sensor...77%

    Source

    AI-extracted1/3 agreementValid
    SEP: plato-theaetetus
    View source passageHide passage
    At 157c–160c Socrates states a first objection to the flux theory. This asks how the flux theorist is to distinguish false (deceptive) appearances such as dreams from the true (undeceptive) appearances of the waking world. The flux theorist’s answer is that such appearances should not be described as ‘true’ and ‘false’ appearances to the same person. Rather they should be described as different appearances to different people. According to the flux theorist, we have the same person if and only i
    Extraction notes

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

    Details

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