Eliezer_Yudkowsky comments on Whining-Based Communities - Less Wrong

59 Post author: Eliezer_Yudkowsky 07 April 2009 08:31PM

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Comment author: Eliezer_Yudkowsky 08 April 2009 04:14:01PM 2 points [-]

I am interested in how this infinite recursion manages to complete in finite time.

Comment author: ciphergoth 10 April 2009 10:59:23AM 0 points [-]

Would you prefer "unboundedly recursive"? So on any given occasion it will only recurse to a finite depth, but there's no bound on the depth of its recursion?

Comment author: Eliezer_Yudkowsky 10 April 2009 12:53:28PM 1 point [-]

That's fine, but I've never seen a "pass the recursive buck" scenario that actually did work by requiring only a finite recursive depth on any given occasion. It always degenerates into an infinite hierarchy of ordinals that you can't describe without creating a new hierarchy on top.

Well, I mean yes there are programming exercises for computing the Fibonacci numbers; I'm referring to when this trick is tried in epistemology or logic.

Comment author: ciphergoth 10 April 2009 01:17:10PM 2 points [-]

I have in mind a scenario something like what Dennett describes in Consciousness Explained: we imagine that our awareness of our own thoughts is in some mysterious way infinitely recursive, because when we go looking for a bound on how many times we can repeat the step of becoming aware of the previous level of awareness, we don't find one; but the bound arrives exactly whenever we care to stop looking. There's no bound on how often we can reflect on the way we're deciding a particular question and decide if that, in turn, is rational, but there will have to come a point at which you have to stop recursing if you want to actually decide the base question.

There again, it may be a mistake to look for a sensible meaning in Annoyance's usual vague crap.