On 14 Aug 2017, at 18:35, Brent Meeker wrote:
On 8/14/2017 1:52 AM, Bruno Marchal wrote:
On 13 Aug 2017, at 21:38, Brent Meeker wrote:
On 8/12/2017 3:58 PM, Bruce Kellett wrote:
You try to help John C., but you contradict his "theory" (which
is indeed based on the 1p/3p confusion).
I suggest that the whole of step 3 is based on a 1p/3p confusion.
If the duplicated subject does not have 3p knowledge of the
protocol, he will never be aware of being duplicated. In fact, he
can never get first person knowledge of that duplication, even if
he is, in fact, duplicated.
Let's examine that a bit. Suppose I've created an AI. Could this
AI experience "being in Moscow and being in Washington". I think
so. I simply provide duplicate sets of sensors, visual, audio,
temperature, etc in both M and W. Now suppose the AI consists of
two computers synchronously executing the same AI routine using
the same sensory inputs, and this AI is connected to sensors in
Helsinki. Now I switch the sensors to those in M and W. The AI
experience M and W. But suppose that instead I switch one of the
computers to the M sensors and the other to the W sensors. You
ask the AI, when still connected to Helsinki, to bet on whether it
will experience M xor W. Is there a right answer?
No, because that is the "telepathic" protocol. That change nothing
in the conclusion that P(M) ≠ 1.
First, there nothing magic about the telepathy; we only think of
ourselves as having a specific location in spacetime because that's
a good model of what our bodily sensors provide us.
OK, but we assume mechanism, and a duplication which does not involve
switching the sensory experiences. I have given many examples showing
that the probability is not obvious to evaluate, like for example the
case there are two identical reconstitutions in Moscow. The reasoning
is based in agreeing with the precise sequence of protocols given.
And second, it's not telepathic in the last case, "suppose that
instead I switch one of the computers to the M sensors and the other
to the W sensors." To say that P(M)<1 you need to know what P(M)
refers to.
Do you give the protocol to the AI before?
And of course what I was leading to is a third possibility: I switch
the Helsinki AI to M and W and THEN I switch the sensors so that one
is connected only to M and the other only to W. If you ask the AI
that's in both M and W, "What is the probability you will be in W?",
what's the right answer?
If the AI is told all this, it will answer P(M) = P(W) = 1/2. The
indeterminacy will be on which screen lost the info that you were
providing to both.
Bruno
Brent
Bruno
Brent
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