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    Carmelics

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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 Poincaré's conventionalism demonstrates that geometric and metric facts are determined by adopted conventions, making 'objective length' a category that presupposes rather than grounds our measurement framework.

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

    Reasons For

    1 perspective
    Reason for
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    • 1.Conventions must track physical regularities to be useful; that geometry succeeds empirically suggests it carves nature at real joints, not arbitrarily.
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    • 2.If all metric facts were merely conventional, equally valid incompatible measurements of the same object would be possible—but empirical tests settle disputes.
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    • 3.The success of geometry in predicting unmeasured spatial relationships suggests facts about ratios and distances exist independently of adopted conventions.
      ?

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    Reasons Against

    1 perspective
    Reason against
    ?
    • 1.Different geometric systems (Euclidean, non-Euclidean) equally describe physical space; choice among them is conventional, not empirically forced.
      ?

      Think about whether this reason is strong or weak

    • 2.Measurement requires prior adoption of units and standards; these conventions shape what counts as 'length' before any purported objective facts.
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      Think about whether this reason is strong or weak

    • 3.Physics remains invariant under coordinate transformations; this suggests metric facts depend on chosen frameworks, not independent reality.
      ?

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