Working with the set of real numbers (was: Finding size of Variable)

Steven D'Aprano steve at
Wed Mar 5 04:41:13 CET 2014

On Wed, 05 Mar 2014 02:15:14 +0000, Albert van der Horst wrote:

> Adding cf's adds all computable numbers in infinite precision. However
> that is not even a drop in the ocean, as the computable numbers have
> measure zero.

On the other hand, it's not really clear that the non-computable numbers 
are useful or necessary for anything. They exist as mathematical 
abstractions, but they'll never be the result of any calculation or 
measurement that anyone might do.


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