Norman Samish writes:
> If the multiverse is truly infinite in space-time, then all possible 
> universes must eventually appear in it, including an infinite number with 
> all 10^80 particles in it identical to those in our universe.

Yes, Tegmark calls this the "Level I" concept of a multiverse.  It's not
so much that the multiverse is truly infinite, it is enough if our own
mundane universe that we see around us is spatially infinite, as predicted
by inflation theory.  See for a
slightly more technical version of Tegmark's Scientific American article
on the topic.  Or the SciAm cover story, "Infinite Earths in PARALLEL
UNIVERSES Really Exist", May 2003.

Hal Finney

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