On Fri, Sep 13, 2024 at 5:18 PM Quentin Anciaux <[email protected]> wrote:
> Le ven. 13 sept. 2024, 09:04, Bruce Kellett <[email protected]> a > écrit : > >> On Fri, Sep 13, 2024 at 4:51 PM Stathis Papaioannou <[email protected]> >> wrote: >> >>> On Fri, 13 Sept 2024 at 15:08, Bruce Kellett <[email protected]> >>> wrote: >>> >>>> On Fri, Sep 13, 2024 at 1:07 PM Liz R <[email protected]> wrote: >>>> >>>> I don't think that works. The idea often put forward is something along >>>> the lines of self-locating uncertainty -- out of all the branches, which >>>> one am I on? But that is only apparent randomness, and to get such an idea >>>> to work, you need to be able to make a random choice between branches. Such >>>> randomness will be intrinsic in that It doesn't come from anywhere else (it >>>> is not already part of the theory). So in order to generate such apparent >>>> randomness you actually need an independent source of intrinsic randomness >>>> (to be able to make your self-locating choice.) >>>> >>> >>> The intrinsic randomness arises from the fact that it is impossible to >>> predict which branch you will end up in, even for an omniscient being. >>> >> >> That is just a restatement of the traditional measurement problem. >> Self-locating uncertainty is not intrinsic randomness. What is it that >> selects which branch you are actually on? You need some means of random >> selection which is not included in the underlying theory. You have to add, >> by hand, some additional principle of randomness, such as the Born Rule. >> > > Could be the lenght of the program going through that state using a > frequency sampling, shortest program going through that state have higher > measure... the dovetailer run "more often" short programs than longer one > No. You still need the Born Rule: the Born rule has two aspects: It has an intrinsic notion of probability, and it relates probability to amplitudes of the wave function. 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/CAFxXSLRFKOsiqiHLcj-8hg697qCUgsKmyrzFw8U3waFnnZDvgg%40mail.gmail.com.
