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Topic: Matheology § 231
Replies: 9   Last Post: Mar 25, 2013 5:42 PM

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Registered: 11/29/07
Re: Matheology § 231
Posted: Mar 25, 2013 12:14 PM
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On Mar 25, 5:24 am, WM <mueck...@rz.fh-augsburg.de> wrote:
> Matheology § 231
> One philosophically important way in which numbers and sets, as they
> are naively understood, differ is that numbers are physically
> instantiated in a way that sets are not. Five apples are an instance
> of the number 5 and a pair of shoes is an instance of the number 2,
> but there is nothing obvious that we can analogously point to as an
> instance of, say, the set {{/0}}.
> [Nik Weaver: "Is set theory indispensable?"]http://www.math.wustl.edu/~nweaver/indisp.pdf

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