Hi Bruno Marchal
I believe that there are at least three attributes of numbers:

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1) Are they true or false as in a numerical equation ? Does 2+ 2 = 4 ? True.
2) Do they physically exist or do they mentally inhere ? They inhere. You
can't touch them.
3) Are they real or not ? Numbers are always real (in the philosophical sense).
Roger Clough, rclo...@verizon.net
9/24/2012
"Forever is a long time, especially near the end." -Woody Allen
----- Receiving the following content -----
From: Bruno Marchal
Receiver: everything-list
Time: 2012-09-23, 03:42:03
Subject: Re: Prime Numbers
On 22 Sep 2012, at 22:10, Stephen P. King wrote:
> On 9/22/2012 7:32 AM, Roger Clough wrote:
>> How could mathematics be fiction ?
>> If so, then we could simply say that 2+2=5 because it's saturday.
> How could we have a world we many minds can, on rare occasions, come
> to complete agreement if that where the case? Perhaps it is true
> that 2+2=4 because we all agree, at some level, that it is true. (I
> am not just considering humans here with the word "we"!)
How will you define "we" without accepting "2+2=4", given that IF we
assume comp, "we" are defined by (L?ian) universal number and their
relations with other universal numbers?
Why do you keep an idealist conception of numbers, which contradicts
your references to papers which use, as most texts in science, the
independence and primitivity of elementary arithmetic?
Or you remark was ironic?
Bruno
http://iridia.ulb.ac.be/~marchal/
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