Wei Dai wrote:
> Using the 100!-th digit of PI in the thought experiment instead of the
> coin flip makes it more obvious, at least to my intuition, that SIA is
> true.
Whatever turns you on. Doesn't do the trick for me, unfortunately.
> I do think SIA should be modified to avoid the problem of infinity
> (where one concludes that with probability one the universe contains an
> infinite number of observers), as follows:
>
> The fact that I am an observer gives me some reason to believe that the
> total measure of observer-instants is large.
>
> The "total measure of observer-instants" can be thought of as the fraction
> of the universe (the entire history of the universe, not just its current
> state) that consist of observers.
Nick Bostrom
http://www.hedweb.com/nickb n.bostrom@lse.ac.uk
Department of Philosophy, Logic and Scientific Method
London School of Economics