On Fri, Mar 17, 2006 at 04:55:37PM -0800, [EMAIL PROTECTED] wrote:
> > > [...] Maps are isomorphic to
> > > territories, but are not territories.
> >
> > Well. Territories *are* maps. Just a very specific type
> > of map but maps anyway.
> err...no they are not. You can't grow potatoes in a map of a farm.

If the map is sufficiently detailed it contains a full simulation down
to the chemistry level of the soil, then most people would say that
you can grow (simulated) potatoes on the map.

> > Identity is just an isomorphism
> > among possibly many others.
> All identity relations are isomorphisms as well.
> Not all isomporhisms are identity relations.
> > The territory can be the map
> > and indeed vice versa.
> You can't fold up the farm and put it in your pocket.

I can't fold up the atlas that sits on my bookshelf and fit it in my
pocket either. Yet the atlas is undeniably a map, and undeniably less
detailed than the sorts of maps that might be confused with territory.

Bruno's commentary is still valid. Ad hominem arguments like these are
simply laughable.

*PS: A number of people ask me about the attachment to my email, which
is of type "application/pgp-signature". Don't worry, it is not a
virus. It is an electronic signature, that may be used to verify this
email came from me if you have PGP or GPG installed. Otherwise, you
may safely ignore this attachment.

A/Prof Russell Standish                  Phone 8308 3119 (mobile)
Mathematics                                    0425 253119 (")
UNSW SYDNEY 2052                         [EMAIL PROTECTED]             
Australia                                http://parallel.hpc.unsw.edu.au/rks
            International prefix  +612, Interstate prefix 02

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