timtyler comments on Should we discount extraordinary implications? - Less Wrong

9 Post author: XiXiDu 29 December 2011 02:51PM

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Comment author: timtyler 30 December 2011 11:33:45AM *  0 points [-]

The idea of devoting more resources to investigating claims when they involve potential costs is involves decision theory rather than just mere prediction. However, vanilla reinforcement learning should handle this OK. Agents that don't investigate extraordinary claims will be exploited and suffer - and a conventional reinforcement learning agent can be expected to pick up on this just fine. Of course I can't supply source code - or else we would be done - but that's the general idea.

Comment author: Eugine_Nier 30 December 2011 11:27:32PM 2 points [-]

The idea of devoting more resources to investigating claims when they involve potential costs is involves decision theory rather than just mere prediction.

All claims involve decision theory in the sense that you're presumably going to act on them at some point.

However, vanilla reinforcement learning should handle this OK. Agents that don't investigate extraordinary claims will be exploited and suffer - and a conventional reinforcement learning agent can be expected to pick up on this just fine.

Would these agents also learn to pick up pennies in front of steam rollers? In fact, falling for Pascal's mugging is just the extreme case of refusing to pick up pennies in front of a steam roller, the question is where you draw a line dividing the two.

Comment author: timtyler 31 December 2011 01:48:52PM *  0 points [-]

However, vanilla reinforcement learning should handle this OK. Agents that don't investigate extraordinary claims will be exploited and suffer - and a conventional reinforcement learning agent can be expected to pick up on this just fine.

Would these agents also learn to pick up pennies in front of steam rollers?

That depends on its utility function.

In fact, falling for Pascal's mugging is just the extreme case of refusing to pick up pennies in front of a steam roller, the question is where you draw a line dividing the two.

The line (if any) is drawn as a consequence of specifying a utility function.

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