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    Made withinDC&Austin
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    Home/Original/inverse
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    Inverse View

    It is not the case that The additional constraints in Schaffner's model and New Wave models are not necessary conditions for reduction

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

    Reasons For

    2 perspectives
    Reason for 1 of 2
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    • 1.Schaffner's corrected reduction model requires that the reducing theory explain why the reduced theory worked approximately, which is a genuine necessary condition.
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    • 2.A disjunctive constraint can still function as a necessary condition if each disjunct tracks a distinct but equally required explanatory relationship.
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    • 3.Nagel-style bridge laws already failed precisely because they lacked the corrective constraints Schaffner added, confirming those constraints do real reductive work.
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    Reason for 2 of 2
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    • 1.Churchland and Bickle's New Wave reduction treats degree of isomorphism between models as a scalar necessary condition, not a disjunctive accompaniment.
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    • 2.If near-enough structural preservation were merely optional, smooth intertheoretic reduction could not be distinguished from mere replacement or elimination.
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    Reasons Against

    1 perspective
    Reason against
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    • 1.The further constraints imposed in Schaffner's model and New Wave models are always disjunctive
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    • 2.Disjunctive constraints function as accompanying characterizations of the definition rather than as necessary conditions
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