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Psy-Kosh comments on Outlawing Anthropics: An Updateless Dilemma - Less Wrong
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It's not just world counting... (Although Robin Hanson's Mangled World's idea does suggest a way that it may turn out to amount to world counting after all)
essentially one has to integrate the squared modulus of quantum amplitude over a world. This is proportional to the subjective probability of experiencing that world.
Yes... that it isn't simple world counting does seem to be a problem. This is something that we, or at least I, am confused about.
Thanks. Good to know. I don't suppose you can explain why it works that way?
As I said, that's something I'm confused about, and apparently others are as well.
We've got the linear rules for how quantum amplitude flows over configuration space, then we've got this "oh, by the way, the subjective probability of experiencing any chunk of reality is proportional to the square of the absolute value" rule.
There're a few ideas out there, but...