I think UDT2 also correctly solves Gary’s Agent-Simulates-Predictor problem and my “two more challenging Newcomb variants”. (I’ll skip the details unless someone asks.)
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I applied Gary’s trick of converting multi-agent problems into Newcomb variants to come up with two more single-agent problems that UDT1 (and perhaps Nesov’s formulation of UDT as well) does badly on.
I’m curious about both of these, as well who Gary is.
I’m curious about both of these, as well who Gary is.
Gary is Gary Drescher, who contributed to decision theory research on LW and on the “decision theory workshop” mailing list.