Re: Irrational numbers questions

Robert Israel wrote:

In article <1168464314.257076.263370@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
<Han.deBruijn@xxxxxxxxxxxxxx> wrote:

simplicities are supposed to be useful for reals which are _not known_
yet as to be irrational or not. They are meant as a sort of continuous
transition between rationality and irrationality. I mean, perhaps gamma
is not rational and not irrational and such an in-between number. Or am
I saying something stupid now?

You said it. Irrational means "not rational". There is nothing in-between.

Uhm, how about the Euler-Mascheroni constant?
Is it irrational or rational?

How about the free choice sequences in intuitionistic mathematics?

Han de Bruijn

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