Date: Mar 25, 2013 9:46 AM
Author: Scott Berg
Subject: Re: Matheology � 231

"WM" <> wrote in message
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?"]
>Regards, WM

the disclamer, ".....naively understood....."

what is a /0 anyway ?