On 3/5/2012 3:23 AM, Evgenii Rudnyi wrote:

The experiment takes an operational approach to what Pi means. During the initial stageof the experiment mathematicians prove the existence of Pi.

`When mathematicians 'prove the existence' of something they are just showing that`

`something which satisfies a certain definition can be inferred from a certain set of`

`axioms. In your example the mathematicians may define Pi as the ratio of the`

`circumference to the diameter of a circle in Euclidean geometry. But what does that mean`

`if geometry is not Euclidean; and we know it's not since these mathematicians are in the`

`gravitational field of the Earth. Mathematics is about abstract propositions. Whether`

`they apply to reality is a separate question.`

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