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    Schaffner's corrected reduction model requires that the r... — Carmelics
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    Challenges→The additional constraints in Schaffner's model and New Wave models are not necessary conditions for reduction

    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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    1 reason for
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    Reasons For

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    Reason for
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    • 1.A reduction is explanatorily incomplete if it cannot account for the predecessor theory's predictive success, leaving a gap in understanding.
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    • 2.Scientific theories that worked well (like classical mechanics) must have captured something real about their domain to achieve such accuracy.
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    • 3.Requiring reductive theories to explain prior success prevents ad hoc replacements that merely supersede without genuine understanding.
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    Reasons Against

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    • 1.Approximate truth and instrumental usefulness are distinct; a theory can work without explaining why, via lucky coincidence or pragmatic fit.
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    • 2.Some reduced theories (phlogiston chemistry) worked well yet explained reality wrongly, suggesting success doesn't track ontological insight.
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    • 3.The requirement may be too stringent: reducing theories need not explain predecessor success—only predict the same phenomena better.
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    Related

    A reduction is explanatorily incomplete if it cannot account for the predecessor...Approximate truth and instrumental usefulness are distinct; a theory can work wi...Requiring reductive theories to explain prior success prevents ad hoc replacemen...Scientific theories that worked well (like classical mechanics) must have captur...
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    Some reduced theories (phlogiston chemistry) worked well yet explained reality w...The additional constraints in Schaffner's model and New Wave models are not nece...The requirement may be too stringent: reducing theories need not explain predece...

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