Well, I did actually intend my example to be analogous to the Tegmark QS
experiment. Are you saying that if there is only one world and magically an
identical, separate world comes into being this is fundamentally different
to what happens in quantum branch splitting? It seems to me that in both
cases the relative measure of everything in the world stays the same, even
though in absolute terms there is double of everything.
Stathis Papaioannou
Saibal Mitra writes:
Correction, I seem to have misunderstood Statis' set up. If you really
create a new world and then create and kill the person there then the
probability of survival is 1. This is different from quantum mechanical
branch splitting.
To see this, consider first what would have happened had the person not
been
killed. Then his measure would have doubled. But because he is killed in
one
of the two copies of Earth, his measure stays the same. In a quantum
suicide
experiment his measure would be reduced by a factor two.
> If on the basis of a coin toss the world splits, and in one branch I am
> instantaneously killed while in the other I continue living, there are
> several possible ways this might be interpreted from the 1st person
> viewpoint:
>
> (a) Pr(I live) = Pr(I die) = 0.5
>
> (b) Pr(I live) = 1, Pr(I die) = 0
>
> (c) Pr(I live) = 0, Pr(I die) = 1
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