Search All of the Math Forum:

Views expressed in these public forums are not endorsed by NCTM or The Math Forum.

Notice: We are no longer accepting new posts, but the forums will continue to be readable.

Topic: The Distinguishability argument of the Reals.
Replies: 11   Last Post: Jan 5, 2013 10:30 PM

 Messages: [ Previous | Next ]
 mueckenh@rz.fh-augsburg.de Posts: 18,076 Registered: 1/29/05
Re: The Distinguishability argument of the Reals.
Posted: Jan 5, 2013 5:15 PM

On 5 Jan., 17:47, fom <fomJ...@nyms.net> wrote:
> On 1/5/2013 6:56 AM, WM wrote:
>

> > Nonsense. A real number need not be given by a string of digits. In
> > most cases that is even impossible. Given is a finite definition like
> > "pi". And this is distinct from all other real numbers.

>
> "pi" is certainly a finite string used as a name.

But it allows to calculate a potentially infinite string. i.e., a
finite string with more than any given number of digits.
>
> Please offer a (Russellian) description that attaches it
> to an idea of number.
>
> And, since you make provability an issue in these matters,
> pi from other numbers.

I show it by what you think when reading my pi.
Mathematics is discourse, sending and receiving messages. And I am
sure that you would determine the same sequence of digits as I, if we
used an appropriate formalism, for instance the slowly converging
Gregory-Leibniz.

Regards, WM

Date Subject Author
1/4/13 Jesse F. Hughes
1/5/13 mueckenh@rz.fh-augsburg.de
1/5/13 fom
1/5/13 mueckenh@rz.fh-augsburg.de
1/5/13 Virgil
1/5/13 Virgil
1/5/13 mueckenh@rz.fh-augsburg.de
1/5/13 Virgil
1/5/13 mueckenh@rz.fh-augsburg.de
1/5/13 Virgil
1/5/13 fom