On 31 Oct 2013, at 20:49, John Clark wrote:
On Thu, Oct 31, 2013 at 2:45 PM, Quentin Anciaux
<allco...@gmail.com> wrote:
>> As I said before there is a profound difference between the two.
After Everett's thought experiment is over only ONE person is seen
by a third party so it's easy to determine who "you" is and easy to
determine if predictions about what "you" will see were right or
wrong, but with Bruno's thought experiment TWO people can be clearly
seen that have a equal right to the title "you" which means that the
predictions about what "you" will see are useless. And another
difference is that Everett was talking about prediction and
probability, and neither has anything to do with identity or a sense
of self. [...] In Everett's case we know who "you" is, it's the
only fellow we see. In Bruno's case right now we see 2 people clear
as a bell and both are called "you" and both saw different things,
and that makes meaningless the question asked yesterday "what is the
probability "you" will see X?". [...] The diary is useless because
the diary was written by "you" and contains predictions about the
further adventures of "you", but now there are 2 (or more) people
with the title "you" and no way to determine which one the diary was
referring to. And the diary is useless because good predictions
have no more to do with identity or a sense of self than bad
predictions.
> So are you at last ready to reject MWI...? if you don't, you are
not consistent
The following is a flow diagram of the conversation we've been
having on this thread:
Step 1: Quentin Anciaux states that John Clark treats Everett's
ideas and Bruno's ideas inconsistently.
Step 2: John Clark points out the ways Everett's ideas about
probability and prediction and Bruno's ideas about the nature of
self are fundamentally different.
Everett uses as much the simple notion of self on which we have
already agree. Throwing a coin too. You could not predict what you
will see (head or tail) if you don't survive the coin throwing. All
your argument to refute the FPI works without change in the MWI, and
in any random experience.
Bruno
Step 3: Quentin Anciaux neither agrees nor disagrees with John
Clark's points.
Step 4: Quentin Anciaux inserts one or more personal insults
directed at John Clark.
Step 5: GOTO step 1.
John k Clark
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