[ExI] any exact copy of you is you + universe is infinite = you are guaranteed immortality
Eliezer S. Yudkowsky
sentience at pobox.com
Sat Jun 16 18:57:37 UTC 2007
TheMan wrote:
>
>>I mention this to show that the question of what it
>>feels like to have
>>a lot of copies of yourself - what kind of
>>subjective outcome to
>>predict when you, yourself, run the experiment - is
>>not at all
>>obvious.
>
> I never assumed that the number of copies of me would
> change my life in any way, or the way it feels, as
> long as I live it in the same way. Do you experience
> your life as richer, or somehow better in some way, if
> you have more copies, than if you have fewer copies?
> That feels like an arbitrary theory to me. I fail to
> see why it should be like that.
No, that is not what I was attempting to say. (Several people made
this misinterpretation, but it should be obvious that I don't believe
in telepathy or any other nonstandard causal interaction between
separated copies.) Having lots of copies in some futures may or may
not affect the apparent probability of ending up in those futures.
Does it? In which future will you (almost certainly) find yourself?
This is what I meant by "What does it feel like" - the most basic
question of all science - what appears to you to happen, what sensory
information do you receive, when you run the experiment? All our
other models of the universe are constructed from this. I do not
exult in this state of affairs, and I think it reflects a lack of
understanding in my mind more than anything fundamental in reality
itself - that is, I don't think sensory information really is
primitive, or anything like that - but for the present it is the only
way I can figure out how to describe rational reasoning.
By "what does it feel like" I meant the most basic question of all
science - what appears to happen when you run the experiment? Do you
feel that you've repeatedly won the lottery, or never won at all?
Standing outside, I can say with certitude, "so many copies experience
winning the lottery, and then merge; all other observers just see you
losing the lottery". And this sounds like a complete objective
statement of what the universe is like. But what do you experience?
Does setting up this experiment make you win the lottery? After you
run the experiment, you'll know for yourself how reality works -
you'll either have experienced winning the lottery several times in a
row, or not - but no outside observers will know, so what could you
have seen that they didn't? What causal force touched you and not them?
This, to me, suggests that I am confused, not that I have successfully
described the way things are; it seems a true paradox, of the sort
that can't really work. When I was younger I would have wanted to try
the experiment.
--
Eliezer S. Yudkowsky http://singinst.org/
Research Fellow, Singularity Institute for Artificial Intelligence
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