On 9/08/2016 12:39 am, Bruno Marchal wrote:
On 08 Aug 2016, at 01:26, Bruce Kellett wrote:
On 8/08/2016 1:30 am, Bruno Marchal wrote:
But in step 3, I ma very careful to not use the notion of
"consciousness", and instead a simple 3p notion of first person.
usually many relates it two consciousness and assumes that when the
guy say "I see Moscow", they are conscious, but that is not needed
to get the reversal.
Maybe that is the basis of the problem. In step 3 you seem to be
claiming nothing that could not be achieved by a non-conscious machine:
Yes.
take a machine that can take photographs and compare the resulting
images with a data base of images of certain cities. When a match is
found, the machine outputs the corresponding name of the city from
the data base. Send one such machine to Washington and an identical
machine to Moscow. They will fulfill your requirements, the W-machine
will output W and the M-machine will output M.
This is what you are now seeming to describe. But that is not FPI.
How could the machine predict the result of the match? Give me the
algorithm used by that machine.
The machine program knows the protocol -- it knows that one copy will be
transported to M and one to W. The machines are already physically
different (different locations if nothing else), so it is a matter of a
coin toss as to which goes where. The machines do not, however, share a
consciousness, so this does not answer what will happen with a conscious
being. Otherwise your prediction is no different from predicting the
outcome of a coin toss. Think of one machine, it will be unaware of the
other, if it knows that it will go to either W or M on the result of a
coin toss....... prediction, 50/50. (But if the machine doesn't have the
protocol programmed in, it will simply answer: "What?")
The "P" in the acronym stands for "person", and if the "person" is
not conscious, it is a zombie and any output you get has no bearing
on what will happen to conscious persons.
The problem is a problem of prediction of future first person account.
That is a problem only if you have a person -- a conscious being.
Bruce
The zombie machines will probably not be aware of each other, but
from that you cannot conclude that the conscious persons will not be
aware of each other, or that consciousness necessarily differentiates
on different inputs.
Well, you need the inputs being enough different (like seeing W, resp.
M) so that the machine can take notice of the difference, and write
distinct outcome in the diary, of course.
Bruno
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