On 10/12/2025 10:18 PM, Alan Grayson wrote:
On Sunday, October 12, 2025 at 10:37:32 PM UTC-6 Brent Meeker wrote:
If there's no collapse then every possible sequence of results is
observed in some world and the relative counts of UP v. DOWN in
the ensemble of worlds will have a binomial distribution. So for
a large numbers of trials those worlds in which UPs and DOWNs are
roughly equal will predominate, regardless of what the Born rule
says. So in order that the Born rule be satisfied for values
other than 50/50 there must be some kind of selective weight that
enhances the number of sequences close to the Born rule instead of
every possible sequence being of equal weight. But then that is
inconsistent with both values occuring on every trial.
Brent
Why does Born's rule depend on collapse of wf? AG
Where did I say it did?
Brent
On 10/12/2025 6:56 PM, Alan Grayson wrote:
Correct me if I'm mistaken, but as far as I know the wf has never
been observed; only the observations of the system it represents.
This being the case, in a large number of trials. Born's rulle
will be satisfied regardless of which interpretation an observer
affirms; either the MWI with no collapse of the wf, or Copenhagen
with collapse of the wf. That is, since we can only observe the
statistical results of an experiment from a this-world
perspective, and we see that Born's rule is satisfied, so I don't
see how it can be argued that the rule fails to be satisfied if
the MWI is assumed. I think the same can be said about the other
worlds assumed by the MWI, namely, that IF we could measure their
results, the rule would likewise be satisfied.AG --
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