On 9/26/2013 5:40 PM, LizR wrote:

On 27 September 2013 12:18, meekerdb <meeke...@verizon.net<mailto:meeke...@verizon.net>> wrote:On 9/26/2013 4:51 PM, chris peck wrote:/"Giving the built-in symmetry of this experiment, if asked before the experiment about his personal future location, the experiencer must confess he cannot predict with certainty the personal outcome of the experiment. He is confronted to an unavoidable uncertainty."/ And the situations are very different because prior to teleportation there is one me, waiting to be duplicated and sent to both locations. After teleportation there are two 'me's, one at either location. That effects the probabilities, surely?Mainly because it makes "I" ambiguous. One answer would be the probability of me being in Moscow is zero and the probability of me being in Washington is zero, because I am going to be destroyed. Another answer would be the probability of me being in Moscow is one and the probability of me being in Washington is one, because there are going to be two of me. Surely this is directly analogous to the situation in the MWI.

`The only difference I can see is that in MWI the whole world splits, and by this I mean`

`that in each branch your body maintains all the quantum entanglements. In the teleporter`

`it is only the classical structure of you that can be duplicated (no cloning) and so all`

`the entanglements are not duplicated (which why you can end up in two classically`

`different places). Of course that all depends on assuming MWI is true. Sometimes I think`

`it is a little ironic that the advocates of MWI reduce everything to`

`computation/information - but they reject the Bayesian/epistemic interpretation of QM in`

`order to support it.`

Brent

If I measure a quantum event like a photon bouncing off / through a semi-silveredmirror, the chances of each result is 50%. In "classic" qnautum theory I say there is a50% chance of seeing the photon reflect, say. In the MWI I do the same, but I am nowaware that the probabilities work out as they do because I'm duplicated in the process(or two pre-existing but fungible versions of me have now become distinct - or perhaps 2lots of infinite numbers of copies...)Ignoring the teleporter and just looking at the MWI gives the same results but isperhaps a bit more intuitive. In the MWI "I" am also destroyed from moment to moment (oreven in classical single-universe physics, if you attach me to a "brain state" it allgets very Heraclitean), and/or I am also duplicated from moment to moment (at least).But the probabilities still work - I have a 50-50 chance of seeing the photon bouncingor transmitting, and equivalently I have a 50-50 chance to end up in Moscow orWashington. It just seems less obvious when I'm the particle in the experiment.--You received this message because you are subscribed to the Google Groups "EverythingList" group.To unsubscribe from this group and stop receiving emails from it, send an email toeverything-list+unsubscr...@googlegroups.com.To post to this group, send email to everything-list@googlegroups.com. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/groups/opt_out. No virus found in this message. Checked by AVG - www.avg.com <http://www.avg.com> Version: 2014.0.4142 / Virus Database: 3604/6701 - Release Date: 09/26/13

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