begin  quoting [EMAIL PROTECTED] as of Sun, Jul 16, 2006 at 09:04:15AM -0700:
> > But we never
> > think of it as imitating another machine.  We don't usually imagine
> > that there's another machine out there that this Turing machine is
> > pretending to be for the moment.  ImageMagick is a "program", not a
> > "machine".
> 
> But this just points out the difference between general Turing
> machines and *Universal* Turing machines (UTMs).  People think
> about UTMs all the time.

Really?

Most people don't.

Most programmers don't.

Hell, *state machines* give a lot of CS majors headaches.

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