On 16 Apr 2015, at 04:43, LizR wrote:
On 16 April 2015 at 12:53, Bruce Kellett <bhkell...@optusnet.com.au>
wrote:
LizR wrote:
On 15 April 2015 at 10:15, John Clark <johnkcl...@gmail.com <mailto:johnkcl...@gmail.com
>> wrote:
Yes but I'm confused, I though you were the one arguing that Bruno
had discovered something new under the sun, a new sort of
uncertainty
That's hardly what Bruno is claiming. Step 3 is only a small step in
a logical argument. It shows that if our normal everyday
consciousness is the result of computation, then it can be
duplicated (in principle - if you have a problem with matter
duplicators, consider an AI programme) and that this leads to what
looks like uncertainty from one person's perspective.
You only get that impression because in Bruno's treatment of the
case -- the two copies are immediately separated by a large distance
and don't further interact. You might come to a different conclusion
if you let the copies sit down together and have a chat.
That doesn't make any difference to the argument. "Will I be the
copy sitting in the chair on the left?" is less dramatic than "Will
I be transported to Moscow or Washington?" and hence, I suspect,
might not make the point so clearly. But otherwise the argument goes
through either way.
Separating them geographically was meant to mimic the different
worlds idea from MWI. But I think that is a bit of a cheat.
I don't know where Bruno says he's mimicking the MWI (at this
stage) ? This is a classical result, assuming classical computation
(which according to Max Tegmark is a reasonable assumption for
brains).
Good remark, but apparently Bruce did not hear it.
Bruno
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