On 28 January 2010 05:31, Brent Meeker <meeke...@dslextreme.com> wrote:

> If I understand you correctly, your discussion of "copies" really refers to
> copies that exist in different identical worlds, e.g. like different copies
> of the same AI running in identical virtual environments, so that they can
> run "in lockstep".  Jack is talking about copies in the common sense of
> initially physically identical beings who however occupy different places in
> the same spacetime and hence have different viewpoints and experiences.  So
> killing one of Jack's copies does end a separate stream of consciousness,
> while "killing" one copy of your lockstep copies just reduces the
> redundancy.  I note that such lockstep copies can only be realized if they
> are in different (virtual) worlds which are kept in lockstep in spite of
> quantum randomness.

Yes, that's what I meant by "copies". But they could also run in
perfect lockstep as parallel processes on a computer.

Stathis Papaioannou

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