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"What is now proved was once only imagined." — William Blake


Nov
21
comment Do consciousnesses get “scattered” across the many worlds of the MWI?
@BenCrowell: Yes, I saw that (good) question, but didn't really get the answer.
Nov
21
comment Do consciousnesses get “scattered” across the many worlds of the MWI?
It sounds like what I feared is unavoidable: I need to learn measure theory!
Nov
21
comment Do consciousnesses get “scattered” across the many worlds of the MWI?
Thanks. That helps me focus the question better (see updated question). I understand that all individuals must see the same a priori probability of ending up in a universe where a given event has occurred. What I'm trying to get at is whether any two given pre-event consciousnesses (in the single pre-event universe) end up in the same post event universe, or even in the same kind of post-event universe.
Nov
21
revised Do consciousnesses get “scattered” across the many worlds of the MWI?
Correct confusion about individual universes and classes of universes.
Nov
21
revised Do consciousnesses get “scattered” across the many worlds of the MWI?
Correct confusion about individual universes and classes of universes.
Nov
18
comment Do consciousnesses get “scattered” across the many worlds of the MWI?
@Sophia: I didn't realize I had said that. (Is this about discomfort with MWI? That's not the question at hand.)
Nov
18
comment Do consciousnesses get “scattered” across the many worlds of the MWI?
@Sofia: FWIW, this is what started my train of thought.
Nov
18
comment Do consciousnesses get “scattered” across the many worlds of the MWI?
@Sofia: What does MWI say?
Nov
17
comment Do consciousnesses get “scattered” across the many worlds of the MWI?
@Sofia: (Bear with me.) The same is true for all other individuals (not-mes): only one will correspond to a "consciousness" before the outcome. Clearly there will be a "version" of every other person that will experience "my" outcome along with me. My question is: will all of those versions be the same as the ones that were with me before the outcome?
Nov
17
comment Do consciousnesses get “scattered” across the many worlds of the MWI?
@Sofia: 'Consciousness' may be the wrong word. What I'm trying to get at is this: I will experience some outcome. According to the MWI there are other (new) "mes" that will experience other outcomes. All these "mes" are distinguished by the outcomes they (we?) experience; but only one will be the same as the "me" before the outcome.
Nov
17
comment How many worlds does the world split into in the Many Worlds Interpretation?
I agree that this a different question, and that none of the answers to the linked question address it (in fact none do a great job of addressing that one either). This should be reopened.
Nov
17
answered Meaning of probability in a multiverse/a many-world interpretation?
Nov
17
asked Do consciousnesses get “scattered” across the many worlds of the MWI?
Nov
11
comment How many more galaxies are out there in the Universe (beyond the observable radius)?
"Until we can observe, we don't actually know anything about it?" That represents a fundamental misunderstanding of science and the nature of knowledge. Knowledge is always conjectural and constructed from "guesses, theories, statistics" as as well as beliefs, assumptions and axions. Observation is just another critical ingredient — and one whose significant is itself defined by theories and assumptions. (We're getting off topic here and should switch to chat; but if this really interests, I'm not the best teacher and suggest you take some courses in epistemology and the history of science.)
Nov
11
comment How many more galaxies are out there in the Universe (beyond the observable radius)?
It makes some difference; but the issue is with "no idea". One does not need to observe something (does to even need to have the potential to observe something) to have some pretty sound and robust ideas about it, and about which of those ideas are more or less likely (and about what various observations would tell us about those ideas and the frameworks from which they were built).
Nov
10
comment How many more galaxies are out there in the Universe (beyond the observable radius)?
That there is a non-zero probability that we live in a privileged observational area is true. That we have "absolutely no idea what the universe is actually like outside of what we can observe" is false, regardless of how it is qualified.
Nov
10
comment How many more galaxies are out there in the Universe (beyond the observable radius)?
I don't think you really mean to say "absolutely no idea what the universe is actually like outside of what we can observe". Some pretty basic assumptions about the lawfulness of the universe (assumptions that never seem to be contradicted by any observation) would have to break for the limits of the observable universe to exactly coincide with an abrupt change in what "things are like".
Nov
8
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Nov
7
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Sep
30
awarded  Explainer