RE: Belief Statements

2005-01-28 Thread Bruno Marchal
At 09:41 27/01/05 +, Brent Meeker wrote:

-Original Message-
From: Bruno Marchal [mailto:[EMAIL PROTECTED]
Sent: Thursday, January 27, 2005 2:32 PM
To: everything-list@eskimo.com
Subject: Re: Belief Statements


With comp the
mind-body relation is one-one
in the body - mind  direction, and one-many in the mind-body direction. It
is counter-intuitive but no less than QM without collapse (Everett, Deutch).

Bruno
This seems doubtful to me.  A mind (all minds we know of) think of themselves
as associated with a body and they are so associated.  As I understand your
comp hypothesis it is that a mind-body can fork into two or more mind-body
pairs - but it's no longer the same mind; so the relation is still one-to-one.
Brent Meeker
Only after the forking. Before it is, from a measure point of view, as if 
you were
simultaneously in two equivalent computations (without this no 
interference-like
phenomena would ever be possible). Remember the Y = II law. A forking leads
two a multiplication of the computational history.

Bruno
http://iridia.ulb.ac.be/~marchal/


Re: Belief Statements

2005-01-28 Thread Bruno Marchal
At 09:29 28/01/05 +1100, Stathis Papaioannou wrote:
On 28 Jan 2005 Bruno Marchal wrote:
At 22:19 27/01/05 +1100, Stathis Papaioannou wrote:
For example, if I am running an AI program on my computer and a 
particular bitstring is associated with the simulated being noting, I 
think, therefore I am, then should not the same bitstring arising by 
chance in the course of, say, a spreadsheet calculation give rise to the 
same moment of consciousness - regardless of whether the spreadsheet 
user or anyone other than the simulated being himself is or can be aware 
of this?

But from the point of view of the simulated being himself he cannot have 
the slightest clue about
which executions he is supported by. He is dispersed in 2^aleph0 
computational histories and
he can only bet on its most probable consistent extensions. You always 
talk like if the mind body relation was one-one, when with comp although 
you still can attach a mind to a [piece of relative
object appearing in your most probable histories] the mind of the piece 
of relative object cannot
attach an object to itself, only an infinity of such objects. With comp 
the mind-body relation is one-one
in the body - mind  direction, and one-many in the mind-body direction. 
It is counter-intuitive but no less than QM without collapse (Everett, Deutch).
Bruno, I don't see where you think I disagree with you. I agree that a 
particular simulated mind may have multiple physical implementations, and 
that it is in general impossible for the mind to know which implementation 
it is supported by. I make the further point that it is not necessary, in 
general, for any conscious being at the level of the physical 
implementation to be aware that the implementation is being run, in order 
for the simulated being to be conscious.

OK. So we can perhaps drop out the very idea that there is a physical 
run. I agree with
Hal Finney view of the accidental running. Consciousness is attached to 
states together
with their relative histories. Consciousness will then be related to the 
measure one
continuations ... if the laws of physics can be derived from that. If not: 
comp is false.

And this makes comp (in principle) testable (experimentally refutable).
Bruno
http://iridia.ulb.ac.be/~marchal/