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hairyfigment comments on Counterfactual Mugging - Less Wrong
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I don't think so; I think the element of repetition substantially alters it - but in a good way, one that makes it more useful in designing a real-world agent. Because in reality, we want to design decision theories that will solve problems multiple times.
At the point of meeting a beggar, although my prospects of obtaining a gold coin this time around are gone, nonetheless my overall commitment is not meaningless. I can still think, "I want to be the kind of person who gives pennies to beggars, because overall I will come out ahead", and this thought remains applicable. I know that I can average out my losses with greater wins, and so I still want to stick to the algorithm.
In the single-shot scenario, however, my commitment becomes worthless once the coin comes down tails. There will never be any more 10K; there is no motivation any more to give 100. Following my precommitment, unless it is externally enforced, no longer makes any sense.
So the scenarios are significantly different.
So say it's repeated. Since our observable universe will end someday, there will come a time when the probability of future flips is too low to justify paying if the coin lands tails. Your argument suggests you won't pay, and by assumption Omega knows you won't pay. But then on the previous trial you have no incentive to pay, since you can't fool Omega about your future behavior. This makes it seem like non-payment propagates backward, and you miss out on the whole sequence.
I wouldn't trust myself to accurately predict the odds of another repetition, so I don't think it would unravel for me. But this comes back to my earlier point that you really need some external motivation, some precommitment, because "I want the 10K" loses its power as soon as the coin comes down tails.