Possible that there are better questions to ask: does this have physical significance? Yes. Should we expect it to be preserved in a more fundamental theory? Yes. Then, here’s why....
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Replying to @litgenstein @MattersDarkly
But the question of what is being preserved isn’t even obvious lol
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Replying to @InertialObservr @MattersDarkly
Yeah I think it’s still more tractable than asking “what do these mathematical objects, and the particular values this function takes, say the world is like?” I’m unsure if we even have the conceptual resources as humans to answer that
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That said, I guess you can still say stuff like “quarks exist” and be counted as a realist
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Replying to @litgenstein @MattersDarkly
We fool ourselves by giving quarks a name.. eg the definition of quarks is Judy a set of properties at a given energy scale
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Replying to @InertialObservr @MattersDarkly
Philosophy of physics has mostly focused on field and particles when interpreting QFT/saying what we should be realists about, so a lot of its other content has been left out
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What's JUDY?
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an unfortunate autocorrect from “just” I believe
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Na I’m callin our Judy
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Gotta say, it sent me down a very, very deep rabbit hole before I gave up and asked...
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It’s our new theory if quantum gravity
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