________________________________
From: [email protected]
Date: Mon, 7 Oct 2013 14:03:53 +0200
Subject: Re: What gives philosophers a bad name?
To: [email protected]
2013/10/7 chris peck <[email protected]>
Hi Bruno
Are you saying that the step 3 would provide a logical reason to say "no"
to the doctor, and thus abandoning comp?
I'm saying only the suicidal would expect a 50/50 chance of experiencing
Moscow (or Washington) after teleportation and then say yes to the doctor.
regards
It makes no sense, in the comp settings it is 100% sure you'll experience a
next moment... the thing is, it's that there is two of you after
duplication, both experience something M o W, the 50/50 is a probability
expectation before duplication... it has the *exact same sense* as
probability in MWI setting... it's the same.
Either you should say probability are non sensical in the MWI or if you
accept them with the MWI, you should accept them the same way with the comp
duplication experience.
Quentin
________________________________
From: [email protected]
To: [email protected]
Subject: Re: What gives philosophers a bad name?
Date: Mon, 7 Oct 2013 10:34:19 +0200
On 06 Oct 2013, at 22:48, LizR wrote:
On 7 October 2013 06:48, John Clark <[email protected]> wrote:
On Sun, Oct 6, 2013 at 3:43 AM, Bruno Marchal <[email protected]> wrote:
The M-guy is the H-guy (the M-guy remembers having been the H-guy)
The H-guy turns into the M-guy, but they are not identical just as you are
not identical with the Bruno Marchal of yesterday.
This is true, but it's also something Bruno has said many times.
Thanks for noticing.
If comp is correct (to the extent that the mind is a computation, at least)
then this is happening all the time. Heraclitus was right, you aren't the
same person even from one second to the next. I thought that was partly the
point that Bruno's step 3 was making. If comp, then we exist as steps in a
computation,
Well we exists at each step, but we are not step. Also, mind is not a
computation, but a mind can be attached to a computation. I know it is
simpler sometimes to abuse a little bit of the language, to be shorter and
get to the point, but those simple nuance have to be taken into account at
some points so it is important to be careful (even more so with
pick-nickers)
and hence, at least in a sense, cease to exist and come back into existence
constantly. Hence (if comp) we are at any given moment digital states can be
duplicated, at least in principle, and could also be duplicated inside a
computer (again in theory. The computer MAY have to be the size of a galaxy,
or it may not - however the point is only to show what is possible in
principle. Or is "in principle" itself objectionable?)
Arguing about which man is which or who thinks what seems a bit pointless.
The question is, do you agree that if consciousness is computation,
In fact when you say that consciousness is computation, you identify a 1p
notion with a 3p notion, and this is ... possible only for God:
G* proves (Bp & p) <-> Bp, but no machine can proves this correctly about
herself.
That is why it is preferable to say that comp postulates only that "my
consciousness" is invariant for a digital physical susbtitution.
a duplicator of this sort is at least a theoretical possibility?
I think John Clark made clear that he agrees with the theoretical
possibility. he seems only to disagree with the indeterminacy.
Except that even this is not clear, as he agrees that this is
phenomenologically equivalent with a throw of a coin, but then he is unclear
why he does not proceed to step 4. He contradicts himself from post to post,
like saying that such an indeterminacy is so trivial and not deep enough to
proceed (like if understanding a step of a reasoning was a reason to stop),
or that it is nonsense. So is it trivial or is it nonsense? We still don't
know what John Clark is thinking.
(I can accept it, despite no-cloning, because the multiverse itself is
apparently doing it constantly.)
Yes, without Everett, I would not have dared to explain that the physical
reality emerges from the many dreams by (relative) numbers.
People accepting the consistency of Everett and stopping at step 3 are very
rare. I know only one: Clark.
Bruno
http://iridia.ulb.ac.be/~marchal/
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