> On 29 Oct 2019, at 11:58, Bruce Kellett <[email protected]> wrote: > > On Tue, Oct 29, 2019 at 9:50 PM Bruno Marchal <[email protected] > <mailto:[email protected]>> wrote: > On 28 Oct 2019, at 21:17, Alan Grayson <[email protected] > <mailto:[email protected]>> wrote: >> Keep in mind that the wave I have been referring to, is a probability wave, >> not a physical wave. AG > > The whole “problem" is there. The amplitude of probability wave acts like if > it was a physical thing. If not, there would not be any physical wave > interference for single particle. > > Now why on earth would you say that?
It is QM. > The probability wave is not "a physical thing", so there is no collapse > problem. It is epistemic, not ontological. I can agree, but how could something epistemological interfere with something physical (unless you put the whole physical in the epistemological, in which case this is coherent with Mechanism). > Probability waves can interfere just as easily as can physical waves. Not if the probabilities describes the observer’s ignorance. Or you believe that consciousness can act on matter? > Or do you not really believe in the additivity of arithmetic? I have no problem with this. The problem is that without the many-worlds, interference would depend on the state of an observer. I have some difficulties to interpret your interpretation. If up + down is pure epistemology, does that means that the particles is really just up or just down without us knowing? Would that not make it into a mixed state, without any interference possible? Either the wave is purely epistemological, but then consciousness acts directly on matter, and that is incompatible with Mechanism. Or the wave describes a physical state of affair, and we get the relative states, with its many relative histories being “physically realised”. 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 [email protected] > <mailto:[email protected]>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/everything-list/CAFxXSLSFseVwuRn%2BdQtDCkTyf9pNU6UfgfyQrH6hdSCqiW2Zvg%40mail.gmail.com > > <https://groups.google.com/d/msgid/everything-list/CAFxXSLSFseVwuRn%2BdQtDCkTyf9pNU6UfgfyQrH6hdSCqiW2Zvg%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/743528AC-03FF-4580-8BAF-2CDF2577D762%40ulb.ac.be.
