drnickbone comments on Harry Potter and the Methods of Rationality discussion thread, part 16, chapter 85 - Less Wrong

9 Post author: FAWS 18 April 2012 02:30AM

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Comment author: Eliezer_Yudkowsky 04 May 2012 12:12:46AM 1 point [-]

You can't have a "stable time loop" without a single future.

Comment author: JoshuaZ 04 May 2012 12:32:01AM 2 points [-]

Can't you have mixed states that are stable or at least self-consistent? Something like there's a 50% chance you go back and kill your grandfather and there's then a 50% chance you don't exist? I seem to remember David Deutsch discussing something similar at one point.

Comment author: Eugine_Nier 04 May 2012 03:52:07AM 2 points [-]

Yes, but that's not a "stable time loop" as portrayed in either cannon or MoR.