On 26 May 2013, at 20:23, meekerdb wrote:
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.
Why? How so?
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??
Yes. When done at the right level (if it exists). By definition, I
would say.
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. :-)
It eliminates the person, in theory first, in camp, slavery, our
gulag, after. It is a constant in human history, and it is what gives
to religions (including materialist and atheist one) their bad
reputation. Read La Mettrie and Sade to learn more on this.
Bruno
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/
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