CarlShulman comments on Evaluability (And Cheap Holiday Shopping) - Less Wrong

25 Post author: Eliezer_Yudkowsky 28 November 2007 12:37AM

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Comment author: Zubon 28 November 2007 01:49:34PM 20 points [-]

When buying $10 dust specks, do not get carried away and buy 3^^^3 of them. You won't save any money that way.

Comment author: Rixie 28 July 2013 11:42:49AM 1 point [-]

What is 3^^^3? I see it a lot here, why is it special?

Comment author: CarlShulman 28 July 2013 11:58:59AM 8 points [-]

It's a ludicrously large number in Knuth's up-arrow notation used in some posts as an example of a number which is finite, but large enough to ludicrously surpass reasonable finite numbers like the size of the universe, or the number of possible states of a volume the size of the Solar System, or whatever.