`From: *Lawrence Crowell* <goldenfieldquaterni...@gmail.com`

`<mailto:goldenfieldquaterni...@gmail.com>>`

On Sunday, April 8, 2018 at 11:25:39 AM UTC-5, Bruno Marchal wrote:## Advertising

On 5 Apr 2018, at 22:20, agrays...@gmail.com wrote: Assuming that QM is a non-local theory, if two systems become entangled, say via a measurement, do they necessary have a non-local connection? That is, does entanglement necessarily imply non-locality? AGAs Everett already understood, non-locality is itself phenomenological. But the violation of Bell’s inequality makes any mono-universe theory highly non-local. It is my main motivation to be skeptical in any mono-universe theory. Some, even in this list, believes that in the many universe theory there are still some trace of no-locality, but generally, they forget to use the key fact, explains by Everett, that observation are independent of the choice of the experimental set up. In particular, a singlet Bell’s type of state, involves really a multi-multiverse, somehow. Better not to take the idea of “universe” to much seriously, as in fine, those are local first person plural relative states, and they emerges already from elementary arithmetic, in a way enough precise to be compared with the facts. BrunoThis sounds confused. There is noncontextuality in QM that statesthere is nothing in QM that determines how an apparatus is to beoriented. This is in ways thinking if the Stern-Gerlach apparatus,where its orientation is a choice of basis vector. QM is invariantunder choice of basis vectors. The context of the experiment is thendue to the classical or macroscopic structure of the observer orapparatus.

`Yes, Bruno is terminally confused about non-locality. He refused to even`

`comment on my simple proof of non-locality in an Everettian context. As`

`usual, he is ruled by dogmatic beliefs rather than logical argument.`

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