On Fri, Oct 31, 2008 at 12:16:57PM +0100, Bruno Marchal wrote:
>
>
> Le 31-oct.-08, à 06:39, Russell Standish a écrit :
>
> >
> > On Wed, Oct 29, 2008 at 05:48:11PM +0100, Bruno Marchal wrote:
> >>
> >> ...
> >>
> >> Physical supervenience is the conjunction of the following
> >> assumptions:
> >>
> >> -There is a physical universe
> >> -I am conscious (consciousness exists)
> >> -(My) consciousness (at time x, t) supervenes on some physical
> >> activity, at time (x, t) of a portion of the physical universe.
> >
> > Supervenience (of consciousness on brain states) is just the latter
> > two assumptions. The brain need not exist in some concrete fashion. It
> > could be
> > some illusionary phenomena for instance.
> >
> > I took your work as negating the conjunction of the first assumption
> > and computationalism, but saying nothing about the latter two.
>
> I don't understand. The first assumption (there is a physical universe)
> is needed for giving sense to the third assumption which use that
> physical universe.
OK yes, with the way way you wrote it, but if you drop the last clause
("portion of the physical universe") and just talk about physical
processes, there is no need for a physical universe to actually
exist. Appearance of such suffices for the purpose at hand.
>
> Regards,
>
> Bruno Marchal
>
>
> http://iridia.ulb.ac.be/~marchal/
>
>
>
--
----------------------------------------------------------------------------
A/Prof Russell Standish Phone 0425 253119 (mobile)
Mathematics
UNSW SYDNEY 2052 hpcoder.domain.name.hidden
Australia http://www.hpcoders.com.au
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Received on Fri Oct 31 2008 - 18:25:21 PDT