On Mon, 19 Jul 2004, Jonadab the Unsightly One wrote:

> > If I extend the natural numbers N with Inf to a new set NI (N with
> > Inf)
> 
> The problem is, NI is not a group with respect to addition for any
> definition of addition of which I am aware.  Translated from mathese

In other words, or more briefly, and in many different contexts, it is 
well known that "Inf" can't be fully arithmetized...


Michele
-- 
> As you see, we have to conclude that either Cantor's "proofs" are
> worthless wastes of ink, 
Or we can conclude that your posts are worthless waste of web space.
- "Theorist" in sci.math, "Re: Cantor Paradox :-)" (slightly edited)

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