On 26 May 2013, at 04:00, meekerdb wrote:
Whether or not it is recorded or extractable in this universe is
immaterial. If the universe is infinitely large or infinitely
varied, we each reappear an infinite number of times. There are a
countably infinite number of programs, and for any given level of
complexity, there is a finite number of possible programs shorter
than some length. Any consciousness we simulate is the
consciousness of something that exists somewhere else in the
infinitely varied/infinitely large universe, and if the universe is
really this big, then someone else far away could simulate you
perfectly without having to extract a record of you. Just running
Bruno's UDA for a long enough time "ressurects" everyone, we are
all contained in that short program.
To which, one is tempted to respond: So what? If there is all this
simulation going on, what reason is there to suppose it is being
done by being anything like us or that the worlds in which the
simulations take place (the "real" ones, if there are any) are
anything like this one.
Because the FPI makes "this one" a statistical sum on all possible one.
You are simply led back to trying to discover what are possible
worlds, where "possible" can be anything from "familiar enough I can
understand it" to "nomologically possible" to "not containing
contradictions".
Possible means "livable from a first person point of view in such a
way that you would not see the difference above the substitution
level". Below the substitution level, everyone (humans, alien,
numbers ..) see the same average on all computations, which, due to
the constraints of self-reference and theoretical computer science is
a well structured, highly complex, mathematical object.
So what? So physics is reduced to arithmetic, or to machine
theology... and this in a way which saves humans from reductionism. It
makes also comp into science and out of philosophy. All this leads to
a different, platonist and non aristotelian, view on "reality". It
makes "Matter" into a failed hypothesis (Matter =primitive matter).
Bruno
http://iridia.ulb.ac.be/~marchal/
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