On Fri, Feb 21, 2025 at 6:29 PM Quentin Anciaux <[email protected]> wrote:
> Bruce, > > The claim follows from basic probability reasoning applied to MWI. > Decoherence ensures that branches evolve independently, preventing > interference. This means that observer instances in different branches > cannot interact. If you accept that observer experiences are determined by > where they find themselves in the wavefunction, then the relative frequency > of experiences should follow the distribution of amplitudes squared. > That is an assumption that has never been shown to be true. The justification is straightforward: if there are exponentially more > observers in high-amplitude branches than in low-amplitude ones, then a > randomly selected observer will overwhelmingly find themselves in a > high-measure branch. This is not an additional assumption—it follows > directly from the structure of unitary evolution. > No, it does not follow from unitary evolution. It follows from your unjustified assumption that there are exponentially more observers in high-amplitude branches than in low-amplitude ones. Talk about claims that need to be justified. This stands out as an extraordinary claim. Your argument assumes that every sequence contributes equally to > probability estimation, but that assumption is precisely what is in > question. You are treating "branches" as discrete, countable objects, > rather than as partitions of a continuously evolving wavefunction. > That is just unjustified nonsense. You have not proved anything like this. The fact that decoherence prevents recombination does not mean each branch > carries equal measure in terms of observer experience. > > If you believe otherwise, then you need to justify why amplitudes, which > govern all other quantum phenomena, should suddenly become irrelevant in > determining observer distribution. > You are the one making extraordinary claims, and extraordinary claims require extraordinary evidence -- which is not forthcoming. 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 visit https://groups.google.com/d/msgid/everything-list/CAFxXSLSPpT_qCbYLkNYdu_5xnY3_5j%3D9D6-dG026p5ViVhZcwQ%40mail.gmail.com.
