Vladimir_Nesov comments on The Terrible, Horrible, No Good, Very Bad Truth About Morality and What To Do About It - Less Wrong

38 [deleted] 11 June 2009 12:31PM

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Tags: greene ethics moral_antirealism metaethics

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Comment author: Vladimir_Nesov 11 June 2009 02:00:18PM 0 points [-]

There is a lot known in metamathematics and formal semantics, so you'd need to be more specific than that.

Comment author: JamesCole 11 June 2009 02:10:15PM 0 points [-]

I don't think there's anything that comes close to giving a theoretical account of how mathematical statements are able to, in some sense, represent things in reality.

Comment author: Vladimir_Nesov 11 June 2009 02:17:18PM *  0 points [-]

Again, you need to be more specific. If you assume certain models of reality (sometimes very reasonable for the real world), there are notions of describing/representing/simulating that system, finding or proving its properties. Physics, graphical models, etc.

Comment author: JamesCole 12 June 2009 12:35:21AM 0 points [-]

that is exactly what you can't assume if you want to explain the basis of representation.

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