paulfchristiano comments on Siren worlds and the perils of over-optimised search - Less Wrong

27 Post author: Stuart_Armstrong 07 April 2014 11:00AM

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Comment author: paulfchristiano 28 October 2015 07:59:39PM 0 points [-]

It's not really clear why you would have the searching process be more powerful than the evaluating process, if using such a "search" as part of a hypothetical process in the definition of "good."

Note that in my original proposal (that I believe motivated this post) the only brute force searches were used to find formal descriptions of physics and human brains, as a kind of idealized induction, not to search for "good" worlds.

Comment author: Stuart_Armstrong 13 November 2015 12:37:11PM 0 points [-]

It's not really clear why you would have the searching process be more powerful than the evaluating process

Because the first supposes a powerful AI, while the second supposes an excellent evaluation process (essentially a value alignment problem solved).

Your post motivated this in part, but it's a more general issue with optimisation processes and searches.

Comment author: paulfchristiano 15 November 2015 01:11:46AM 0 points [-]

Neither the search nor the evaluation presupposes an AI when a hypothetical process is used as the definition of "good."