> On 5 Sep 2020, at 01:10, Bruce Kellett <bhkellet...@gmail.com> wrote: > > On Sat, Sep 5, 2020 at 9:03 AM Lawrence Crowell > <goldenfieldquaterni...@gmail.com <mailto:goldenfieldquaterni...@gmail.com>> > wrote: > On Friday, September 4, 2020 at 6:21:49 AM UTC-5 Bruce wrote: > On Fri, Sep 4, 2020 at 7:49 PM Lawrence Crowell <goldenfield...@gmail.com <>> > wrote: > On Friday, September 4, 2020 at 1:54:34 AM UTC-5 Bruce wrote: > On Fri, Sep 4, 2020 at 4:40 PM Quentin Anciaux <allc...@gmail.com <>> wrote: > Le ven. 4 sept. 2020 à 00:01, 'Brent Meeker' via Everything List > <everyth...@googlegroups.com <>> a écrit : > Sure. But Albert's argument is that in a single, probabilistic world that > implements Born's rule, the number of scientist who find something contrary > to Born's rule goes to zero as the number of repetitions increases. But in > the multiverse there are always contrary worlds and, while their fraction > decreases, their number increases with repetitions. > > That's an interpretation... because I think there is no increasing or > decreasing of numbers of worlds.... there are an infinity of them always, > similar / identical "world" differentiate but there is no increase or > decrease, there is no meaningfull way of "counting"... The frequency is all > there is. > > > That does not detract from the fact that in Everett, the low probability > worlds always occur with probability one. In other words, the theory is > intrinsically self-contradictory -- incoherent. > > Bruce > > I am not so sure this is self-contradictory, but rather that with the > renormalization of probability in each branched world there is a sort of > catastrophe where for some oscillating probability amplitude there is one > point where P = 0 or P = 1 and the branching has a discontinuity. Hence there > is this interesting nonlocal property where an eigenbranch can occur > continuously along the time parametrization or evolution of a wave function, > but this is not continuous. For extremely high frequency quantum states this > has a sort of quantum Zeno phenomenology to it. At these break-points there > is only one possible outcome and for a set of events corresponding to these > there is no consistent Bayesian interpretation of them. In that sense there > is something funny going on. > > > You do talk a lot of nonsense, don't you, Lawrence. > > Bruce > > What is nonsense? All I am saying is when the probability for an amplitude is > 0 or 1 there is no branching. So in general a quantum amplitude has a > discrete set of branching evolutes separated by no branching points. What is > wrong? > > > Your comments are not relevant to the discussion, which was about probability > in a branching scenario. If you predict that a certain branch will certainly > exist, then you are assigning a probability equal to one to the possibility > of this branch.
The probability is one for the existence of the branch does not entail that I will see, or feel to be in, that branch. This is again a case of obliterating the 1P / 3P distinction. > The trouble is that the Born rule assigns a probability of 1/2^N to the same > branch. Hence the contradiction. The Born rule assign 1/2^N before the experience, and 1 after (and 0 for all other branches). But with Everett, that does not make the other branches getting non existence, just non accessibility. > > If your theory gives two ways to predict the probability of a particular > outcome, and these two calculations give different results, then your theory > is inconsistent. It is the 1p-3p confusion which leads to an inconsistency. Bruno > > 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 everything-list+unsubscr...@googlegroups.com > <mailto:everything-list+unsubscr...@googlegroups.com>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/everything-list/CAFxXSLRK4_v75h7bnbqdfHLpyjBRsxvdQ7TFN6GBAwRbWXw8rg%40mail.gmail.com > > <https://groups.google.com/d/msgid/everything-list/CAFxXSLRK4_v75h7bnbqdfHLpyjBRsxvdQ7TFN6GBAwRbWXw8rg%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 everything-list+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/AF742E89-9A97-4C1E-A95E-72E56061CCE5%40ulb.ac.be.
