On Sun, Jul 4, 2021, 8:54 PM 'Brent Meeker' via Everything List < [email protected]> wrote:
> > On 7/4/2021 5:14 PM, Jason Resch wrote: > > > > On Sun, Jul 4, 2021, 6:54 PM 'Brent Meeker' via Everything List < > [email protected]> wrote: > >> >> On 7/4/2021 5:17 AM, Tomas Pales wrote: >> >> >> On Sunday, July 4, 2021 at 1:51:51 PM UTC+2 Bruce wrote: >> >>> >>> 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. >>> >> >> In the classical example with balls you may have a collection of blue and >> red balls so there are only two possible outcomes of a random selection of >> a ball: blue and red. This doesn't mean that the proportion of blue and red >> balls in the collection must be 50/50. Why would the proportion of >> branching worlds necessarily be 50/50 if there are only two possible >> outcomes? >> >> >> It's not that it's necessarily 50/50; it's that there's no mechanism for >> it being the values in the Schroedinger equation. In one world A happens. >> In the other world B happens. How does, for example, a 16:9 ratio get >> implemented. There's nothing in Schroedinger's equation that assigns one >> of those numbers to one world or the other. You can just make it an >> axiom. Or equivalently, if you can show these are odds ratios, you can >> invoke Gleason's theorem as the only consistent probability measure. But >> all that is extra stuff that MWI claims to avoid by just being pure >> Schroedinger equation evolution. >> >> Brent >> > Is this question unique to MW? > > Do Copenhagen/GRW/QBism/Transactional/Bohm have any advantage(s) in > explaining the Born rule? > > Yes. They don't pretend that all you need is the Schroedinger equation > and linear evolution of the state. They explicitly recognize that you need > a probability interpretation to connect with observations. > But if all (including MW) require a 'probability interpretation', then I don't see the disadvantage of MW here. What additional assumptions are needed by MW that aren't needed by the others? Jason Brent > > > I don't understand the problem that's unique to MW. > > Jason > >> >> -- >> 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/44aceed9-5408-9dc0-ebcb-436765a7df23%40verizon.net >> <https://groups.google.com/d/msgid/everything-list/44aceed9-5408-9dc0-ebcb-436765a7df23%40verizon.net?utm_medium=email&utm_source=footer> >> . >> > -- > 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/CA%2BBCJUjA7u%2BF7R4qhjby%2BcBBYBZ2kirPCfTV6-oYk8tQf%2Bs6Lw%40mail.gmail.com > <https://groups.google.com/d/msgid/everything-list/CA%2BBCJUjA7u%2BF7R4qhjby%2BcBBYBZ2kirPCfTV6-oYk8tQf%2Bs6Lw%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > > -- > 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/029a1053-cbc1-0070-30e0-ad085140200e%40verizon.net > <https://groups.google.com/d/msgid/everything-list/029a1053-cbc1-0070-30e0-ad085140200e%40verizon.net?utm_medium=email&utm_source=footer> > . > -- 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/CA%2BBCJUhQS_M%2BU6qGgbx5GbqOhiV5-NFZT7wpkgrCo6OpHRG%3DaQ%40mail.gmail.com.
