On 6/19/2012 3:01 AM, Bruno Marchal wrote:
Lawrence Krauss in his book "A Universe From Nothing" says that someday something close to that might actually be possible.


You mean? Deriving addition and multiplication from physics? That is impossible.

I'd say that depends on what you mean by 'derive'. Certainly the idea of addition and multiplication occurs to humans, and even to some animals, through evolutionary processes.

Brent


You can't derive them from anything which does not postulate them implicitly. Physics already assume + and * (or R and trigonometric functions, which are a way to (re)define the integers in analysis, by sin(2*PI*x) = 0; for example).

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