On 2/16/2014 11:06 AM, David Nyman wrote:
On 16 February 2014 18:10, meekerdb <[email protected] <mailto:[email protected]>>
wrote:
But that's the ambiguity I see. When you ask the H-man, "Where do you
think you
will be?" he has to provide some interpretation to the word "you". My
immediate,
intuitive thought was, "I expect to be in both places." Which depends on
what is
meant by "I". If "I" is just conscious experience then there are two "I"s
and
neither is the H-man because they're not experiencing Helsinki. So "I" must
be
experiences and memory. Then the M-man and the W-man are both "I" the
H-man, in
which case the H-man should answer "Both".
Sure, but in taking this view, which is legitimate in its own terms, you're in danger of
turning step 3 into gibberish just to make a point. But the point you make here is
precisely not the point of step 3. That point is that *anyone whomsoever*, when
considering his or her own future, will reasonably expect to experience it as a
single-valued outcome.
But only insofar as he reasonably expects himself not to be duplicated.
Brent
Therefore, faced with precisely such circumstances as the duplication thought experiment
(or MWI), whether the H man plumps for either W or M as that single-valued outcome, one
of his successors is bound to discover that he picked wrongly.
That said, one may well take the view that "normal" expectations of this sort are
derived from a misunderstanding of the true state of affairs. Interestingly, one of the
advantages of thinking about the situation in terms of Hoyle's analogy is that it can
then make intuitive sense for the H man to predict with certainty that he *will*
discover himself to have become both the W man and the M man, but never simultaneously.
David
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