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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 Frege's distinction between psychologism and logical validity establishes that the frequency of a reasoning error in human practice has no bearing on whether that error is formal or material in character.

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

    Reasons For

    1 perspective
    Reason for
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    • 1.The distinction between formal and material errors itself may be psychologically constructed and depend on human cognitive categories.
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    • 2.If reasoning errors are universal or near-universal, this suggests they may reflect constraints on human rationality, not logical invalidity.
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    • 3.Frege's strict separation risks making logic irrelevant to actual human cognition; error frequency may indicate practical limitations of formal systems.
      ?

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    Reasons Against

    1 perspective
    Reason against
    ?
    • 1.Logical validity is objective and timeless; it cannot depend on contingent facts about human cognitive performance or error rates.
      ?

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    • 2.A formal fallacy remains formally invalid even if most people commit it; psychological frequency doesn't alter logical structure.
      ?

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    • 3.Frege's anti-psychologism correctly separates the normative laws of logic from descriptive psychology of reasoning.
      ?

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