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shminux comments on Why do theists, undergrads, and Less Wrongers favor one-boxing on Newcomb? - Less Wrong
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This is a bad reason to one-box. First, there is no backward causation in Wheeler's delayed choice, unless you accept a Bohm-spirit interpretation of QM (that photons (counterf)actually travel as particles), because you do not measurably affect the past from the future. Second, no backward causation is required for one-boxing to make sense, only that Omega knows you better than you do yourself.
It seems to me that there is backward causation under the decoherence interpretation, as the world we inhabit is affected by the experimental set-up (there's either a diffraction pattern on the back screen characteristic of a wave, or a pattern characteristic of a single slit). I really think people tend to overestimate the latitude that exists among the various quantum interpretations. They are just interpretations, after all.
I don't think that Omega knowing a person better than they know themselves is sufficient to explain the 100% accuracy of Omega's prediction.