On 11/21/2024 4:36 AM, John Clark wrote:
On Wed, Nov 20, 2024 at 11:16 PM PGC <[email protected]> wrote:
/> MWI for not deriving Born’s rule from the Schrödinger equation.
I agree this is an unresolved challenge for MWI advocates, but I
would note that it does not fundamentally undermine MWI. It’s open
and I actually share the skepticism towards attempts by Carroll
and Co. to bridge that gap./
*I thought Carroll did a pretty good job showing that during the time
interval between the wave function branching, due to decoherence, and
an observerregistering the outcome of a measurement, even if "he" knew
the wave function of the entire Multiverse "he" still wouldn't know
which branch "he" was on because before "he" opened his eyes and
looked around all the hes on all the branches would be identical. Only
after that do they become uniqueindividuals. To ask, before you have
seen, heard, felt, smelled or tasted anything, "which _ONE_ branch am
I on?" cannot be answered because during that time interval "you" are
on many branches, perhaps infinitely many.*
So where would he be if he just walked away without ever looking at the
result?
Brent
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