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transreal arithmetic and analysis

🔗Carl Lumma <ekin@lumma.org>

12/8/2006 9:44:03 AM

http://www.bookofparagon.com/News/News_00012.htm

Hmm...

-Carl

🔗Gene Ward Smith <genewardsmith@coolgoose.com>

12/8/2006 3:00:31 PM

--- In tuning-math@yahoogroups.com, Carl Lumma <ekin@...> wrote:
>
> http://www.bookofparagon.com/News/News_00012.htm
>
> Hmm...

I don't think there is much, if anything, new here. Systematic ways of
defining division by zero go back to the introduction of zero by
Brahmagupta, and the idea of including rules for NaN (what he calls
"nullity") is not new.