2009/8/28 Brent Meeker <meeke...@dslextreme.com>:
> Quentin Anciaux wrote:
>> 2009/8/27 Flammarion <peterdjo...@yahoo.com>:
>>> On 27 Aug, 08:54, Quentin Anciaux <allco...@gmail.com> wrote:
>>>> 2009/8/26 David Nyman <david.ny...@gmail.com>:
>>>> This is because if consciousness is a computational process then it is
>>>> independant of the (physical or ... virtual) implementation. If I
>>>> perfom the computation on an abacus or within my head or with stones
>>>> on the ground... it is the same (from the computation pov).
>>>> And that's my problem with physicalism. How can it account for the
>>>> independance of implementation if computations are not real ?
>>> Physcialism doesn't say that computations aren't real. It says
>>> real instances of computation are identical to physical processes.
>> If everything is reduced to physical interaction then computations
>> aren't real. Also that doesn't answer how it account for the
>> independance of implementation. As the computation is not primary, how
>> 2 different physical process could generate the same computation
>> without abstract computations being the only thing that link the two
>> processes having existence. How can you make sense of church-turing
>> thesis if only "realized computations" make sense ?
>> Regards,
>> Quentin
> Try substituting "lengths" for "computations".  Are lengths primary
> because the same length can occur in different physical objects?
> Brent

Why would I ? It's not the same thing at all... You could have said
substitute by 'red'... there are multiple physical red object.

The thing is you can come up with an infinity of physical (possible)
realisation for a given computation. So the question is what is
linking the computation to the physical realisation if not the
abstract rules (which don't exists with physicalism, because there
exists only "realized" computations... no abstract thing) ?


> >

All those moments will be lost in time, like tears in rain.

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