On 5/10/2025 12:30 PM, John Clark wrote:
On Sat, May 10, 2025 at 3:15 PM Brent Meeker <[email protected]>
wrote:
/> John K Clark is just obfuscating. Paraphrase the same thought
as "If a variable A is measured in..."/
*What a variable is measured in is not relevant, who is doing the
measuring is. And in the context of a Many Worlds discussion "Brent
Meeker will measure A" is NOT a paraphrase of "you will measure A"
because the first statement makes sense but the second statement is
gibberish.*
Why do you think it matters who makes the measurement? That's a red
herring. I think you're just dodging the problem that successive
measurements of the same variable. Results in all but one eigenvalue
having zero probability in the MWI, in spite of them being valid
solutions of Schroedinger's equation.
Brent
***John K Clark See what's on my new list at Extropolis
<https://groups.google.com/g/extropolis>*
itc
On 5/10/2025 5:01 AM, John Clark wrote:
On Fri, May 9, 2025 at 9:24 PM Brent Meeker
<[email protected]> wrote:
/>>> Are there multiple worlds with zero probabilities?/
*>> I can't answer that question until you answer a
question of my own. Zero probability of what? *
Obviously a zero probablity of having measured a value Ai =/= Ao.
*And if your answer is "of being observed" then my next
question is "being observed by who?"*
> No
*No? Neither of the two questions can be answered by a simple yes
or no. *
/> if _*you*_ measure a variable A in a world it was just
measure to have the eigenvalue Ao, thenMWI says _*you*_ are
in a world with A=Ao with probability 1.0 Yet you wrote that
"Many Worlds says it was in every state that is not forbidden
by Schrodinger's Equation." The system is not forbidden by
Schrodinger's equation to be in other states Ai; it is a
contingent fact that it happened, in this world, to land in
state Ao the first time__it was _*measured*_. So it has
probability zero of being a world where A=Ai. /
*The source of the massive confusion as seen in the above lies,
as always, with the misuse of the personal pronoun "you", *
John K Clark is just obfuscating. Paraphrase the same thought as
"If a variable A is measured in..."
Brent
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