amcknight comments on On Saying the Obvious - Less Wrong

82 Post author: Grognor 02 February 2012 05:13AM

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Comment author: Eugine_Nier 02 February 2012 06:15:52AM 10 points [-]

There a running joke in mathematics that saying that a statement is "obvious" means:

I know this "has to" be true, but don't feel like figuring out how to prove it.

Comment author: Oscar_Cunningham 02 February 2012 01:59:34PM *  2 points [-]

There's an excellent definition of how "obvious" should be used in mathematics: something is obvious if and only if "a proof immediately springs to mind".

Comment author: amcknight 02 February 2012 08:09:57PM 2 points [-]

No! How is this different than saying:
There's an excellent definition of how "obvious" should be used: something is obvious if and only if "an explanation immediately springs to mind".