Stathis,
Stathis Papaioannou wrote:
>> Imagine the sequence:
>>
>> Scan - Annihilate - Signal - Reconstitute
> The no-cul-de-sac hypothesis is false if you allow that there is some
> means of destroying all copies in the multiverse. But there is
> probably no such means, no matter how advanced the aliens.
Assuming COMP you are probably right, but with standard MWI I'm with
Jonathan - it suffices that the aliens would make sure that no
decoherent branch contains a successor macrostate; considering that the
reconstitution machine and the incoming beam are (localized)
macrostates, this seems plausible. Maybe we would have to modify the
scenario a bit (not 100 000 lightyears distance, which would open up
possibilites for very different histories) but the minimal distance to
ensure that annihilation has finished before reconstitution "would"
begin (without tampering).
Cheers,
Günther
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Received on Wed Mar 04 2009 - 18:48:38 PST