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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