On Thursday, February 11, 2021 at 7:02:53 AM UTC-7 [email protected] wrote:
> On Thu, Feb 11, 2021 at 8:33 AM Alan Grayson <[email protected]> wrote: > > >> If Many Worlds is correct then every horse can be in every state not >>> forbidden by the laws of physics, that means each horse has a 100% >>> chance of winning and a 100% chance of losing from the Multiverse point of >>> view. >>> >> >> *> That would be true if the horses are identical and only at the >> beginning of the race. But more important, as the race progresses, the >> likelihood of any particular horse winning changes.* >> > > If Many Worlds is correct then the universe and all the observers in it > splits at least 5.4* 10^44 times a second (probably more, possibly > infinitely more) and so the number of observers who see various things > constantly changes. > > >> * > In general, we'd observe (or possibly assign) different probabilities >> for different horses depending on their varying positions as the race >> progressed. But my main point is that when any probability is not 100% as >> the race progresses,* >> > > You keep talking about "probability" but what does that word really mean? > In the frequentist theory of probability, the meaning is fairly self evident. It refers to the percent of some occurrence for an ensemble of measurements. There is some vagueness here which experts can resolve; for example, how large does the ensemble have to be for the percent to be applicable, and so forth. AG If Many Worlds is the correct interpretation of quantum mechanics then > probability is not a part of the intrinsic nature of reality, probability > would just be a measure of our ignorance. Probability allows us to make the > best use of the limited information that we do have and find the best > strategy to maximize our gains from a series of bets. But the sum total of > reality (aka, the Multiverse) does not need probability because it is > completely deterministic, at least if Many Worlds is true. > I am skeptical about absolute determinism. Given the HUP, we can never predict the evolution of any system with absolute precision. AG > > John K Clark See what's on my new list at Extropolis > <https://groups.google.com/g/extropolis> > > , > > -- 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/0f49da34-a53b-4915-a940-a052978ba138n%40googlegroups.com.

