wedrifid comments on Scientific Evidence, Legal Evidence, Rational Evidence - Less Wrong

37 Post author: Eliezer_Yudkowsky 19 August 2007 05:36AM

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Comment author: wedrifid 05 January 2012 09:03:47AM 0 points [-]

All the kinds of knowledge you describe are subclasses of rational knowledge. Is there irrational knowledge?

Believe stuff for crazy reasons (biased instincts, poor processing of data, etc). That's irrational knowledge - even if it happens to be wrong.

Comment author: imd 05 January 2012 10:19:52PM 1 point [-]

I was thinking more something like ethics.

Comment author: wedrifid 05 January 2012 11:13:23PM *  1 point [-]

I was thinking more something like ethics.

That could perhaps be called arational knowledge. The preference-like component of ethics, morals or desires which you have just because you have them.

Comment author: Vladimir_Nesov 05 January 2012 11:19:16PM *  0 points [-]

The preference-like component of ethics, morals or desires which you have just because you have them.

But is it something you wish to have, should have, should keep (in this particular form)? Nothing evades the judgment.

Comment author: wedrifid 05 January 2012 11:36:26PM *  0 points [-]

But is it something you wish to have

I personally do - but it isn't even an (absolute) human universal much less a logically necessary preference.

should have, should keep?

An agent could plausibly intrinsically value keeping all of their preferences/ethics/morals exactly as they are, in which case such an agent can be expected to believe that they should keep them. They may also instrumentally value keeping them if it helps them to achieve/live by/etc their preferences/ethics/etc. The moment they discover a better way to achieve preferences or live by ethics than by maintaining the representation in themselves the instrumental consideration no longer applies.

Nothing evades the judgment.

So? This doesn't impact imd's consideration at all. A rock that doesn't evade the judgement is still a rock and arational knowledge would not cease to be arational knowledge just because it does not evade judgement.