Maru Dubshinki <[EMAIL PROTECTED]> wrote

    ... assuming that the Universe was closed and would collapse to a
    point in a Big Crunch ... a suitably set up superintelligence
    would be able to ... recreate the past ...  thusly reincarnating
    us.

Yes.  That is how I understood Tipler, too.

If that superintelligence were created artificially, he would be an AI
and if he were for some reason interested in the past, he would be an
antiquarian.  Tipler never referred to his superintelligence as an
antiquarian; that is my addition.

I cannot remember whether Tipler ever suggested that someone might
create, perhaps through the equivalent of genetic engineering, a
superintelligence that could survive in the conditions near a Big
Crunch.  Perhaps he did not.

In any event, as far as I can remember (it was a long time ago),
Tipler said what you say.  My two additions are not necessary, that
the superintelligence be an `antiquarian' and be an `AI'.  I added
those additions years ago both to be funny and because I do think they
make the concept more believable.  

(Why would a non-antiquarian superintelligence bother to reincarnate
us?  In this reading, any superintelligence doing research that
involves reincarnating anyone from the past is an antiquarian.  Would
an artificially bred or manufactured superintelligence be more likely
to survive conditions near the Big Crunch than others?)

    And from the inside, if you could get good reason to believe that
    you are in one (aside from any anthropic reasoning), then that is
    not a very good reincarnation/simulation. Which makes them so hard
    to usefully think about.

Yes, that is what I think.  So the notion is unfalsifiable.

    > From inside a re-incarnation, how would you distinguish between
    > one that is not caused by some entity and one that is?

What I meant was, what if a re-incarnation occurs `naturally' and is
not a simulation?  As far as I can see, that notion is unfalsifiable,
too.

-- 
    Robert J. Chassell                         
    [EMAIL PROTECTED]                         GnuPG Key ID: 004B4AC8
    http://www.rattlesnake.com                  http://www.teak.cc
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