Jürgen wrote:
``Please read again. If "consciousness" is indeed a
welldefined concept,
and if there are any "conscious" computable observers, then they will be computed. Otherwise they won't. In either case there is no need to define consciousness  I have not seen a convincing definition anyway. Similarly, there is no need to define "love", although it might be an important concept to certain computable observers in certain computable universes." I think the source of the problem is equation 1 of
Jürgens paper. This equation supposedly gives the probability that I am in
a particular universe, but it ignores that multiple copies of me might exist in
one universe. Let's consider a simple example. The prior probability of universe
i (i>0) is denoted as P(i), and i copies of me exist in universe i. In this
case, Jürgen computes the propability that if you pick a universe at
random, sampled with the prior P, you pick universe i. This probability is, of
course, P(i). Therefore Jürgen never has to identify how many times I exist in a
particular universe, and can ignore what consciousness actually is.
Surerly an open univere where an infinite number of
copies of me exist is infinitely more likely than a closed universe where I
don't have any copies, assuming that the priors are of the same
order?
Saibal

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