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>I disagree. We have a hierarchy of models, with GR and QFT at
On 05/01/2025 09:16 AM, Ross Finlayson wrote:>
On 05/01/2025 06:20 AM, gharnagel wrote:>>
Data is real. Everything else is modeling (invention).
>
The useful models are, well, used. The others are dumped.
Today we have a fundamental physics that's a bit more than
a grab-bag assortment of empirical models,
Models are maps, and the map is not the territory. The top of theto the point where
the very notion of the "instrumentalist" position is what
are observables at all, and that "statistical mechanics"
arrives at the "statistical ensemble", vis-a-vis mechanics
of statics and dynamics.
>
Then, there are many empirical models that have been ignored,
and when I mentioned "there are lots of empirical models" that's
because all the many sub-fields of physics, in the constraints
of their configurations and energies of experiment, for example
about the near-field and far-field or high-energy and low-energy,
have lots of "effects" that accumulate in the sub-fields, dis-agreeing
with the other sub-fields, for example the "QM and GR disagree about
120 orders of decimal magnitude".
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