On 15 Sep, 19:21, David Nyman <david.ny...@gmail.com> wrote:
> 2009/9/14 Flammarion <peterdjo...@yahoo.com>:
>
> >> They don't exist physically. They do exist mathematically. It is all
> >> what is used.
>
> > You mean they exist Platonically. For formlalists,
> > such "existence" is a mere metaphor and has
> > no metaphyscial consequences.
>
> I find that I can't real say what the difference is supposed to be
> between numbers existing mathematically and numbers existing
> Platonically, other than that different labels are being used. What
> precisely is the latter supposed to entail that the former does not,
> and what difference is this supposed to make? Can you help, Peter?
Existing mathematically doesn't have any ontoloigcal meaning.
Both formalists and Platonists can agree that 7 exists,
since they agree Ex:x=7 is true, but only the latter think
7 has Platonic existence.
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