On 9/13/2016 6:25 PM, Bruce Kellett wrote:
On 14/09/2016 10:13 am, Brent Meeker wrote:
On 9/13/2016 7:22 AM, Stathis Papaioannou wrote:
On Sunday, 11 September 2016, Brent Meeker <[email protected]> wrote:
In the UD model of the world, time as we perceive it, is
emergent. The "execution" of the program is timeless and exists
in Platonia. So the steps of the UD have no duration, they are
logically prior to time and duration. On the other hand, I
think so called "observer moments" must have duration in the
emergent sense and must overlap. But their relation to the UD
threads is more aspirational than proven.
I think it should be possible to pause and restart at any point
a process underpinning consciousness and leave the stream of
consciousness unchanged; otherwise there would be a radical
decoupling of the mental from the physical. At the limit, this means
the process underpinning consciousness can be cut up into
infinitesimals.
Infinitesimals, I think not, at least not in Bruno's model. Each
thread of the UD's computation can be cut and restarted, but
underlying an "observer moment" or a "thought" are infinitely many
threads and there is no reference by which you can define cutting
them all at "the same time". So they make the "time" of
consciousness essentially real valued.
That understanding of an "observer moment" appears to undermine the
"Yes Doctor" scenario. The point of YD, it seems to me, is that one
can replace oneself with a computer running some program -- the
digital simulation at the basis of mechanism. Such a simulation, being
a single computation, can be stopped and restarted at will without the
observer being conscious of anything. If consciousness, or "observer
moments", are intrinsically made up of an infinite number of threads,
then this is not possible, and YD fails.
Right, except I take the other fork. I think you can stop and restart a
consciousness - with a small gap; and if you can it contradicts Bruno's
model of a single consciousness being a kind of statistical mechanics
over UD threads. That model is motivated by Everett in which there are
many possible evolutions of the wave function which are equivalent at
the classical level (where thoughts are instantiated). But Everett and
all QM assume a background time in which evolution takes place. Bruno
intends that physical time emerge from the model.
Brent
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