Re: Turing Machines and Physical Computation
From: patty (pattyNO_at_SPAMicyberspace.net)
Date: 11/30/04
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Date: Tue, 30 Nov 2004 20:36:05 GMT
Eray Ozkural exa wrote:
> Neil W Rickert <rickert+nn@cs.niu.edu> wrote in message news:<coe8th$tdu$1@usenet.cso.niu.edu>...
>
>>>The putative difficulty in writing effective software is a more common
>>>and mundane version of the same thing, IMHO.
>>
>>That's actually a quite different problem.
>>
>>Computation is the manipulation of representations.
>
>
> I am not sure if that's a good description.
>
> This formal symbol manipulation idea got some otherwise ambitious
> philosophers like Brian Cantwell Smith and gang quite confused.
>
> Computers can work on representations, that's true. But it is not
> necessary that what is being manipulated is "representation".
>
Can you give us an example of where a computer is *not* manipulating a
representation ?
patty
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