Quoting Stathis Papaioannou <stathispapaioannou.domain.name.hidden>:
> On 25th May 2005 Saibal Mitra wrote:
>
> >One of the arguments in favor of the observer moment picture is that it
> >solves Tegmark's quantum suicide paradox. If you start with a set of all
> >possible observer moments on which a measure is defined (which can be
> >calculated in principle using the laws of physics), then the paradox
> never
> >arises. At any moment you can think of yourself as being randomly drawn
> >from
> >the set of all possible observer moments. The observer moment who has
> >survived the suicide experiment time after time after time has a very
> very
> >very low measure.
>
> I'm not sure what you mean by "the paradox never arises" here. You have
> said
> in the past that although you initially believed in QTI, you later realised
>
> that it could not possibly be true (sorry if I am misquoting you, this is
> from memory). Or are you distinguishing between QTI and QS?
>
That's correct. In both QTI and QS one assumes conditional probabilities. You just
throw away the branches in which you don't survive and then you conclude that you
continue to survive into the infinitely far future (or after performing an arbitrary
large number of suicide experiments) with probability 1.
But if you use the a priori probability distribution then you see that you the measure
of versions of you that survive into the far future is almost zero.
Saibal
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Received on Thu May 26 2005 - 13:10:04 PDT