wnoise comments on The Second Law of Thermodynamics, and Engines of Cognition - Less Wrong

58 Post author: Eliezer_Yudkowsky 27 February 2008 12:48AM

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Comment author: wnoise 15 February 2010 06:37:45AM 1 point [-]

If you don't have an observer in the system, you instead have an observer outside the system, and in order to actually be observing must be interacting with the system -- in which case the system is no longer closed, and therefore, simplistic statistical mechanics is no longer sufficient, and you have to bring in all the open-system math.