On Saturday, October 5, 2019 at 2:21:34 AM UTC-5, Bruno Marchal wrote: > > > On 4 Oct 2019, at 20:04, Philip Thrift <[email protected] <javascript:>> > wrote: > > > > On Friday, October 4, 2019 at 8:28:56 AM UTC-5, Bruno Marchal wrote: >> >> >> On 4 Oct 2019, at 00:53, Philip Thrift <[email protected]> wrote: >> >> >> The question is about quantum many worlds. Not cosmology. >> >> >> Cosmology assumes the quantum at a cosmological scale, and it is where a >> collapse makes the less sense. Who would observe and be responsible for the >> collapse of the universal wave? Belinfante estimates that the >> Copenhagen-von Neuman formulation of QM requires an external god looking at >> the universe, like materialism requires a god selecting a unique >> computation, but that’s no more doing science. >> >> François Englert, who worked in quantum cosmology, was very annoyed by >> the collapse problem, and was relieved that it makes sense to just abandon >> the collapse idea. The collapse is usually not even defined in any >> intelligible sense, and it introduces a duality incompatible with >> Mechanism, but also with the scientific attitude, I would say. >> >> With mechanism, there is only one consciousness which differentiates into >> many 1p histories, and they interfere statistically, notably by allowing a >> 1p plural observable and sharable reality. >> >> Why to believe in any “world"? >> >> Bruno >> >> >> > > Applied sciences > > > https://en.wikipedia.org/wiki/Outline_of_applied_science#Branches_of_applied_science > > do not need Many Worlds Interpretation (as far as I can see). > > If there is no reason to use MWI in applied science, there is no reason to > consider MWI in science at all. > > > That leads back to instrumentalist metaphysics, which is the same as “shut > up and calculate”. You don’t need any world, not even one, in that case. > > Bruno >
It could appear so, but I say it leads to codicalism (between instrumentalism [strict antirealism] and realism). @philipthrift @philipthrift > > -- 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/5005d9cc-5e7f-4e6e-8ef3-188665cadad3%40googlegroups.com.
