especially since what we know abt quantum effects is that they overwhelmingly cancel out
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into a singular "most likely" and indeed deterministic universe at the macro scale
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the question of whether "possible worlds" actually "exist" pre-dates quantum physics
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and imo it's fairly independent of it
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modal realism isn't necessary for the MWI and the MWI doesn't support it as much as ppl think
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Casting parallel possibilities aside, though, why does its physical existence manifest
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Replying to @ebdibit @arthur_affect and
such as it does in our universe?
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the take I got - and this is secondhand so take it as you will -
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is that maybe there are lots of "possible worlds"
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but there's one that's much more possible than the others and it's this one
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idk if that's completely literally true, like you can set up Schroedinger's-cat-like stuff
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but in the human-scale world macro scale events don't fork like that
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it's funny the usual accusation is that ppl look for excuses to not believe in other worlds
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