On Tue, Jun 10, 2014 at 04:39:14PM +1200, LizR wrote: > On 10 June 2014 14:52, meekerdb <[email protected]> wrote: > > > On 6/9/2014 6:48 PM, Russell Standish wrote: > > > >> OK - there are 2 future branches, A and B, each of which have equal > >> objective probability of occurring. Ie the Born rule says each has a > >> probability of 0.5. > >> > >> However, perhaps _subjectively_, Alice sees branch A with probability > >> 0.9 and branch B with probability 0.1, and Bob sees branch A with > >> probability 0.1 and branch B with probability 0.9. > >> > > > > If there are only two branches then Alice see each with probability 1.0. > > From a bird's eye view you can renormalize this and call it 0.5. But I > > don't see any way to even assign meaning to 0.1 or 0.9 when the branch > > probabilities are 0.5. > > > > Me neither. Glad we agree on something :-) > > Over to you, Russell. What are we missing? >
The probabilities are those of entering branch A or B from the unbranched state the precedes them. You're making an assumption that this measure is proportional to the cardinality of those branches. I'm making no such assumption. That's all. -- ---------------------------------------------------------------------------- Prof Russell Standish Phone 0425 253119 (mobile) Principal, High Performance Coders Visiting Professor of Mathematics [email protected] University of New South Wales http://www.hpcoders.com.au Latest project: The Amoeba's Secret (http://www.hpcoders.com.au/AmoebasSecret.html) ---------------------------------------------------------------------------- -- 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 [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
