Re: many worlds theory of immortality

From: Bruno Marchal <marchal.domain.name.hidden>
Date: Thu, 14 Apr 2005 10:06:11 +0200

Le 14-avr.-05, à 01:31, Hal Finney a écrit :

> Nick Prince writes:
>> If the MW immortality is correct then would we not only be immortal
>> but
>> also very alone in the end. We know that we observe others die so
>> since we always find ourselves in a branch of the multiverse where we
>> live on - the conclusion seems inescapable
>>
>> Can anyone figure a way out of such inevitable eternal loneliness
>> because I rather like to chat to my freinds!!
>
> Yes, it's very simple. Just kill yourself whenever any of your friends
> die. Then you will only be alive in universes where your friends
> are alive.

Be careful. You need to take into account the probabilities (on which
we talk
  since the beginning of the list).
Example: if your friend dies due to the explosion of an atomic bomb,
and if
you kill yourself with a gun the probabilities you survive in world
where your friend
survive could be low. If your friend dies because he killed himself
with a gun, then
if you kill yourself with an atomic bomb, indeed, you will make the
probability
of staying with your friend high.
Of course It is just the idea. A "rigorous" computation should be based
on an
explicit "probability" calculus relating energy, information,
computational histories, ...
To sum up the problem: immortality makes the idea of killing oneself
... hard.

Bruno

http://iridia.ulb.ac.be/~marchal/
Received on Thu Apr 14 2005 - 04:08:46 PDT

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