On Sun, Jul 4, 2021 at 9:30 PM Tomas Pales <[email protected]> wrote:
> On Sunday, July 4, 2021 at 4:38:42 AM UTC+2 Brent wrote: > >> Advocates of MWI want to claim there are no projections (they aren't >> unitary) that instead the the world "splits" and each approximately >> diagonal value is realized in a subspace. But then one needs to explain >> what about those subspaces corresponds to the probabilities, or in other >> words what does "probability" mean when they all exist? >> > Well, probability has always been about random selection of something from > a collection of somethings. A classical example is random selection of a > ball from a collection of balls. In MWI there is random selection of a > world in which you find yourself. All the worlds exist just as all the > balls in the collection exist. > And in the two-outcome experiment, how do you ever get a probability different from 0.5 for each possible outcome? You would seem to be looking for a branch counting explanation of probability (self-locating uncertainty). But there is no mechanism in Everett or the Schrodinger equation to give anything other than a 50/50 split when only two outcomes are possible. This is wildly at variance with experience. Bruce -- 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/CAFxXSLQry7mux22d_wPh3S5wZEYoX_WsW%3DSoNGsKEvoTv6O8Yw%40mail.gmail.com.
