> On 11 Nov 2019, at 12:35, Bruce Kellett <bhkellet...@gmail.com> wrote: > > On Mon, Nov 11, 2019 at 8:37 PM Bruno Marchal <marc...@ulb.ac.be > <mailto:marc...@ulb.ac.be>> wrote: > On 10 Nov 2019, at 20:01, Alan Grayson <agrayson2...@gmail.com > <mailto:agrayson2...@gmail.com>> wrote: > > On Sunday, November 10, 2019 at 5:42:50 AM UTC-7, Bruno Marchal wrote: >> Once the cat is alive + dead, he remains in that state for ever. >> >> Then how come we NEVER observe that state? AG > > Because the observable are defined by their possible definite outcome, and > for reason already explained, macroscopic superposition decoder, that is get > entangled with the environment at a very high speed. So, if you look at the > cat in the a+d state, you are duplicate almost immediately into a guy seeing > the cat alive + the guy seeing the cat dead, and QM explained why they cannot > interact, although they might interfere themselves. > > That is exactly a preferred basis -- which you seem to want to deny.
I have never denied a preferred basis, as preferred by the evolution of the type of observer we are (like molecular biological organism, where position plays an important role). What I deny is that the MWI implies that some base are more important in physics than other. The universal wave function can be described in any base, but the internal observer will “choose” the base corresponding to their most useful sensory apparatus. It is a bit like a planet and life: there are “preferred planet” having the right conditions for life to develop. Similarly, consciousness can only differentiate in the base in which Turing universal machine can also differentiate. 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 everything-list+unsubscr...@googlegroups.com > <mailto:everything-list+unsubscr...@googlegroups.com>. > To view this discussion on the web visit > https://groups.google.com/d/msgid/everything-list/CAFxXSLRDr5%2Bt%2Bq-YjrjMPc3bEkAdUb6ezYfXahbUuEnTcEsahA%40mail.gmail.com > > <https://groups.google.com/d/msgid/everything-list/CAFxXSLRDr5%2Bt%2Bq-YjrjMPc3bEkAdUb6ezYfXahbUuEnTcEsahA%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 everything-list+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/92D4251D-3F79-48AC-AB88-B0AEEAEB674C%40ulb.ac.be.
