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ThrustVectoring comments on Mixed Reference: The Great Reductionist Project - Less Wrong
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Uhm, not really. I'm not entirely sure what you mean by "math relies on things doing math". Math isn't about the thinking apparatus doing math. It's a way of systematically reducing the complexity of your mental models - it replaces adding pebbles and adding apples with just adding.
If you imagine a universe with 4 particles in it, then 2+3 is still 5.
I found Eliezer's post "Math is Subjectively Objective" which explains his position very clearly. Thanks for your help.
No it doesn't, since it ends "Damned if I know."
Right, which explains his position: math is real and 2+3 really is 5, but he does not know what that means, or where that is true.
You are right though, it isn't a fully fleshed out account. All I said is that it explains his position clearly, not that his position itself is perfectly clear.
I don't think it even makes it clear that math is real, just that mathematical truth is objective and timeless.