Yvain comments on The Sacred Mundane - Less Wrong

42 Post author: Eliezer_Yudkowsky 25 March 2009 09:53AM

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Comment author: Yvain 25 March 2009 05:29:56PM *  26 points [-]

There's a risk here of using "mundane experience" as an applause light.

Consider the equivalent query - doctors have learned a lot about the brain by studying stroke victims. For example, one reason we know that the frontal cortex is responsible for inhibition is because people who get frontal cortex injuries lose their inhibition.

You can go up to a neurologist and say "That's wonderful...but couldn't you have learned the same thing if you really closely observed the brain of a normal person?" But why should the neurologist deny himself a useful tool just because it's not mundane enough?

You can learn arbitrarily much by contemplating everyday life. Eliezer theorizes that a superintelligence could deduce General Relativity just by watching an apple fall. But that doesn't mean you should turn your nose up at Einstein for using the perihelion of Mercury. There's no such thing as cheating in rationalism.