On 27 Jun 2012, at 19:57, meekerdb wrote:
On 6/27/2012 9:06 AM, Bruno Marchal wrote:
Not counting quantum randomness the only reason the many diaries
will be different is that the many authors of those many diaries,
you, end up in different environments.
Specifically due to the fact that comp allows self-duplication.
That is the key point.
So "step 3" is just a convoluted way of saying that you can't
always predict how environmental factors will change nor how those
factors will effect you, which is just a convoluted way of saying
that you never know what new things the universe will throw at
you, which is just a convoluted way of saying that predicting is
hard, especially the future.
It has nothing to do with evolution of environment. The
indeterminacy is definite, and brought by the possibility of self-
duplication.
I don't understand what you are saying? Why is 'self-duplication'
different from 'duplication'?
In this reasoning, it isn't. (It would be if you are alone, or if you
don't trust the others and build your own teleportation device, but
that is not relevant for the reasoning).
And it's not clear where the boundary is between 'you' and 'the
environment'.
We can only hope that the "doctor", or the teleportation boxes
engineers have choose the right comp substitution level. But the
reasoning assumes, non constructively, that they did so.
If 'you' is just the algorithm your brain is executing, then the
thermal molecular motion in your brain is 'environment' and
divergent of thought is due to 'the environment'. But if 'you' is
your physical body/brain then the divergence is inherent in the
physics.
Does this change the P(W) = P(M) = 1/2 for first person prediction on
its future first person experience in step 3?
Bruno
http://iridia.ulb.ac.be/~marchal/
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