On 5/26/2013 1:18 AM, Bruno Marchal wrote:
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.
What do you mean by "a statiscal sum"? FPI must still pick out some kind of unity; not
just an average.
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".
So all simulations must look just like this??
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.
I didn't know reductionism endangered us. :-)
Brent
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/ <http://iridia.ulb.ac.be/%7Emarchal/>
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