On Wed, Sep 18, 2019 at 2:52 AM smitra <[email protected]> wrote: > On 17-09-2019 09:16, Bruce Kellett wrote: > > On Tue, Sep 17, 2019 at 5:08 PM Alan Grayson <[email protected]> > > wrote: > > > > I know. I was just being illustrative. But note that Carroll says much > > the same thing when he says worlds are created when you make a left or > > right turn, or flip a coin (or some equivalent analogy). AG > > > > And that is where Sean slips inevitably into woo-woo. > > > No, this is a rather solid result from assuming the validity of the > Schrodinger equation: > > https://arxiv.org/abs/1212.0953 > > "We argue using simple models that all successful practical uses of > probabilities originate in quantum fluctuations in the microscopic > physical world around us, often propagated to macroscopic scales. Thus > we claim there is no physically verified fully classical theory of > probability. We comment on the general implications of this view, and > specifically question the application of classical probability theory to > cosmology in cases where key questions are known to have no quantum > answer. We argue that the ideas developed here may offer a way out of > the notorious measure problems of eternal inflation." >
They can argue this, but that falls far short of a demonstration that new branches split off for every decision we make. In general, decisions are not choices from a set of possibilities in superposition, which would be the only way in which the proposal could make any sense. 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/CAFxXSLTV_dThaUzX6W-QejFSA%3DPLtHyL-WvMj25F64yPUiJLRA%40mail.gmail.com.
