Re: bijection of R: R <--> Rx.....xR

On 7 Sep 2005 13:21:02 -0700, Nathan wrote:
> Timothy Golden http://www.BandTechnology.com wrote:

> This is an important point. The concept of cardinality of
> sets ignores most of the useful distinctions of mathematics. Two
> sets may have the same cardinality and yet differ in many
> significant mathematical properties. So for some applications
> cardinality is a useful tool, but for others you need more detail.
> The category Set has much less structure than most of the useful
> categories of mathematics.

An equally important point is that the concept of temperature ignores
most of the useful distinctions of the physical world and especially
between people, since most people have very close to the same
temperature.

Let's ban thermometers.


--
Dave Seaman
Judge Yohn's mistakes revealed in Mumia Abu-Jamal ruling.
<http://www.commoncouragepress.com/index.cfm?action=book&bookid=228>
.

Relevant Pages

  • Re: bijection of R: R <--> Rx.....xR
    ... >> sets ignores most of the useful distinctions of mathematics. ... >> sets may have the same cardinality and yet differ in many ... > An equally important point is that the concept of temperature ignores ...
    (sci.math)
  • Re: bijection of R: R <--> Rx.....xR
    ... >>> sets ignores most of the useful distinctions of mathematics. ... >>> sets may have the same cardinality and yet differ in many ...
    (sci.math)
  • Re: bijection of R: R <--> Rx.....xR
    ... >> sets ignores most of the useful distinctions of mathematics. ... >> sets may have the same cardinality and yet differ in many ...
    (sci.math)
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