https://www.socsci.uci.edu/~jabarret/bio/publications/ToBeAWorld.pdf On Saturday, January 16, 2021 at 3:13:01 PM UTC-7 Brent wrote:
> > > On 1/16/2021 4:25 AM, Pierz Newton-John wrote: > > > > On Sat, 16 Jan 2021 at 8:16 pm, 'scerir' via Everything List < > [email protected]> wrote: > >> Pierz wrote: "If you want to argue against the internal logic of MWI, you >> have to start by accepting what it proposes then proceeding to demonstrate >> how that leads to internal inconsistency." >> >> They show that MWI is inconsistent, in the Schroedinger picture. >> https://link.springer.com/article/10.1007%2FBF00763476 >> > > That's behind a paywall. Can you post a copy? > > Brent > > > Well that argument at least demonstrates some understanding of MWI, unlike > AG. But I don’t think it’s a good argument at all. Has the system M > decohered and thus become entangled with M’ after M measures the spin? If > so, then M and M’ are already on the same branch/ in the same world as one > another and there is only one possible measurement M’ can make. The outcome > is not subject to probability. If on the other hand, the system M has not > decohered with the common environment of M’, then M remains in a > superposition of up and down measurement states until measured by M’ and it > does not make sense to say that either the electron or M itself are in a > definite state with respect to M’. Both branches/ worlds exist and M’ has > not yet split on the outcome. It’s a pretty basic point. > > > -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/1230984f-690e-470d-962b-b3a24791fd97n%40googlegroups.com.

