> On 22 Apr 2018, at 23:41, Brent Meeker <meeke...@verizon.net> wrote: > > > > On 4/22/2018 9:19 AM, Bruno Marchal wrote: >> It follows from both QM and Comp. If Alice and Bob are space-separated, I >> cannot even makes sense of how you can measure correlations, given that once >> they are separated, whatever result they got, will be shared with different >> Alice and Bob in different branch. I am not even sure we can define what >> could be an action at a distance in the quantum formalism. The notion does >> not even makes sense when we assume special relativity. The only reason to >> believe this is the habit to think that there is only one bob and one Alice, >> which makes no sense once separated, unless they are correlated with a third >> observer, but then, again by looking at the wave without collapse, there >> will be no action at a distance. The no locality is only an appearance due >> to the fact that we belong to infinities of histories, and cannot known >> which one we are in. >> > It depends on what you mean by "action at a distance". The theory you are > depending on for these pronouncements entails that, on a MW picture, some of > the possible worlds have probabilities that go to zero as a result of an > interaction at Alice or at Bob. So an interaction at one of them changes the > probabilities at the other.
Exactly like in arithmetic. But the interaction of Bob and Alice, does not make any worlds less probable, only some worlds get less accessible from where they have made the measurement. Cf RSSA … the probabilities are always relative. Bruno > > Brent > > -- > You received this message because you are subscribed to the Google Groups > "Everything List" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to everything-list+unsubscr...@googlegroups.com. > To post to this group, send email to everything-list@googlegroups.com. > Visit this group at https://groups.google.com/group/everything-list. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to everything-list+unsubscr...@googlegroups.com. To post to this group, send email to everything-list@googlegroups.com. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
