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Vaniver comments on Evidential Decision Theory, Selection Bias, and Reference Classes - Less Wrong
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Note that step 1 is "Assume that I saw myself doing X," not "Assume that EDT outputs X as the optimal action." I believe that excludes any contradictions along those lines. Does logical omniscience preclude imagining counterfactual worlds?
If I already know "I am EDT", then "I saw myself doing X" does imply "EDT outputs X as the optimal action". Logical omniscience doesn't preclude imagining counterfactual worlds, but imagining counterfactual worlds is a different operation than performing Bayesian updates. CDT constructs counterfactuals by severing some of the edges in its causal graph and then assuming certain values for the nodes that no longer have any causes. TDT does too, except with a different graph and a different choice of edges to sever.