Nick_Tarleton comments on Timeless Causality - Less Wrong

21 Post author: Eliezer_Yudkowsky 29 May 2008 06:45AM

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Comment author: Nick_Tarleton 29 May 2008 10:00:19PM 0 points [-]

Michael: could you elaborate on "Also, I have long asserted that experience associated with static configurations seems to me to be close to isomorphic to experience associated with multiple instantiations of a computation."?

Ricky: I don't think that assumption is being made; rather, you have to transform causal hypotheses with intramoment dependencies into ones without (this seems like it should always be possible).

Eliezer: this may indicate I missed the point of that section, but you can generate a high→low entropy history by computing a low→high entropy history and reversing the frames. It looks to me like Bayesian causality* naturally accompanies increase in entropy, since (very handwavingly, this is hard for me to verbalize) P(M2|R1,R2) ≠ P(M2|M1,R1,R2) is more likely to hold if R has higher entropy than M. *(Is there a different standard term?)