Peterdjones comments on Math is Subjunctively Objective - Less Wrong

14 Post author: Eliezer_Yudkowsky 25 July 2008 11:06AM

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Comment author: Peterdjones 01 January 2013 01:57:22PM 0 points [-]

Pythagorean theorem clearly seems to be a property of the real world, as does pi

There is nothing clear about either of those. Both can be proven without empirical investigation. P's T is not true in curved space.

Comment author: [deleted] 01 January 2013 05:51:54PM *  1 point [-]

The theorem (as ISTM is understood nowadays) is a statement about flat space, so I'd put it as "it doesn't apply to curved space"; saying that it's false in curved space sounds to me like saying that "in the US, people drive on the right side of the road" is false in the UK.