On Friday, August 9, 2019, smitra <smi...@zonnet.nl> wrote: > I remember the year 1980, but what I remember is due to brain processes > that exist right now. I can only ever probe the present moment, there is no > way to prove that 1980 physically exists or existed (whatever the past > tense is supposed to mean). So, if 1980 exists (existed) it must be > considered to be a parallel world where the people in our memory of that > time really exist (existed). The time evolution operator from that time to > the present can be expanded in a basis where complete sets of commuting > local observables are diagonal. One of the simultaneous eigenstates is the > present world we find ourselves in. So, if we assume that 1980 is indeed > real and the present world which is one particular component of that same > 1980 state written in a different basis, then it's plausible that all the > other MWI parallel worlds of 2019 are equally real. > > This sounds similar to Wei Dai's "really simple interpretation of quantum mechanics": http://www.weidai.com/qm-interpretation.txt
Regarding the reality of other points in time, while we can't disprove the theory that the universe was created 5 seconds ago in it's current state, it is an implication of special relativity that all points in time are real as this paper describes: http://philsci-archive.pitt.edu/2408/1/Petkov-BlockUniverse.pdf Jason -- 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/CA%2BBCJUi5xX5L3LDtiOyLq8hcuA3df4dzEvLwQt%2BAXUp2c4yW0w%40mail.gmail.com.
