nshepperd comments on Complexity and Intelligence - Less Wrong

24 Post author: Eliezer_Yudkowsky 03 November 2008 08:27PM

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Comment author: shokwave 02 February 2011 05:55:23AM 0 points [-]

why can't complexity numbers be computed

If you could compute them, you could use that computation (in a complicated way) to produce strings that could only be produced by much longer programs. This is a contradiction, so it's not possible to compute complexity.

Comment author: nshepperd 03 February 2011 03:44:28AM 0 points [-]

And I guess you can't just enumerate all programs and take the length of the shortest (=first) one that produces the string because of the halting problem?

I wonder if I could turn that around and spin a computation of complexity into a halting oracle...