meekerdb wrote:
On 7/6/2015 10:46 AM, John Clark wrote:
On Mon, Jul 6, 2015 at 1:33 PM, meekerdb <[email protected]
<mailto:[email protected]>> wrote:
If there's only one consciousness which is aware of both
Washington and Moscow then asking the body looking at the
Washington Monument what the Kremlin looks like would elicit an
accurate answer. There's no contradiction in information being
transferred from Moscow to Washington any more than transferring
it from a toe to a brain.
Nobody thinks new physics would be needed to explain how a message
moves from your toe to your brain, but new physics would be required
to explain how the Washington Man could accurately say what's going on
in Moscow without using electronics.
So I don't think the Washington Man could do that.
I didn't say they could, I said there was no *logical* contradiction in
them doing so. In fact it's not even a nomological contradiction
because humans could have evolved or manufactured RF communication
devices in their brains such that, when duplicated, the two copies
continued to shared information. But my point was that in Bruno's UD
multiverse there will be universes in which this is the case. So to
show that duplication necessarily entails two consciouses, he needs to
show that our physics and our evolution are necessary, not contingent.
Bruno appears to believe that the same physics must obtain in all
possible universes, only initial conditions can differ.
Quote:
"Only the geographico-historical features can be brute facts. The whole
point is that with comp, physical laws does exist, and are the same for
all universal machine, because they are all under the same FPI on the
same domain (UD*). Physics, unlike geography is justified."
I think Bruno is simply wrong here. For the dovetailer in Platonia
(AUDA), every computable universe is included, and these can have
arbitrarily different physics. Cf. Tegmark's CUH.
Bruce
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