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    Carmelics

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    Inverse View

    It is not the case that Gravity below the surface of a uniformly dense sphere varies linearly with the distance from the center

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

    Reasons For

    2 perspectives
    Reason for 1 of 2
    ?
    • 1.Newton's derivation of linear gravity assumes perfect uniform density, a condition no actual physical body satisfies.
      ?

      Think about whether this reason is strong or weak

    • 2.Mathematical idealization cannot be directly identified with causal claims about physical reality without independent empirical confirmation.
      ?

      Think about whether this reason is strong or weak

    • 3.The linear relationship is thus a property of an abstract model, not a demonstrated truth about gravitational causation in nature.
      ?

      Think about whether this reason is strong or weak

    Reason for 2 of 2
    ?
    • 1.Duhem argued that physical theories are tested as holistic systems, not as isolated propositions derivable from first principles.
      ?

      Think about whether this reason is strong or weak

    • 2.The claim about subterranean gravity depends on auxiliary assumptions—uniform density, spherical geometry, superposition of forces—that are empirically underdetermined.
      ?

      Think about whether this reason is strong or weak

    • 3.Confirming the linear variation would require isolating gravitational effects from these auxiliary assumptions, which has never been achieved experimentally at depth.
      ?

      Think about whether this reason is strong or weak

    Reasons Against

    1 perspective
    Reason against
    ?
    • The theory of gravity entails that gravity below the surface of a uniformly dense sphere varies linearly with the distance from the center
      ?

      Think about whether this reason is strong or weak

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