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Nisan comments on What I've learned from Less Wrong - Less Wrong
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Comments (232)
I enjoyed the post (enough for a vote up!) but I find myself wishing it had stopped at #5.
6 is mostly correct but has significant edge cases (even if you subscribe to MWI, probabilities pop up when dealing with tiny things). Something like "Probabilities exist in minds" is a much more agreeable statement than "Probabilities don't exist elsewhere," and has the same framing benefits.
7 just flat out bothers me. Many Worlds is just an interpretation, a flavor- it shares the exact same math with all other flavors of quantum mechanics. I agree with Eliezer that it's a far more agreeable flavor than Copenhagen- but those aren't the only two flavors available. And if you are making predictions based on your flavor preferences, something went wrong somewhere. I cannot see how your tastes when it comes to QM should impact whether or not you sign up for cryonics with the currently existing firms offering cryonic services.
MWI agrees with Copenhagen in all currently reasonably accessible experimental regimes. But it is not just a flavor -- it allows for the possibility of "uncollapse" after an observation by delicate recoherence. (Though after such a demonstration the Copenhagenite could just say that the collapse was inferred too soon.)
Right, and after several such experiments it would become apparent that the Copenhagenite doesn't know how to predict when collapse happens.