On Fri, Oct 13, 2006 at 03:38:13AM -0000, [EMAIL PROTECTED] wrote: > > > Russell Standish wrote: > > On Thu, Oct 12, 2006 at 08:40:40AM -0000, [EMAIL PROTECTED] wrote: > > > > > > All the anthropic reasoning stuff is bunk in my opinion. It's based on > > > the faulty idea that one can reason about consciousness by equating > > > observer moments with parts of the block universe. But as I suggest > > > above, you can't do this. > > > > > > > I'm not entirely sure what to make of what you say here, except that > > it seems to be a criticism of the ASSA (that each observer moment is > > selected independently of any other from an absolute measure distribution). > > > > > > > > The implicit assumption in anthropic reasoning is that the observer > moments are in some sense *already there* (i.e the future and past are > already layed down in the block universe). This is what I waas > disputing. If the observer moments do *not* in fact pre-exist in a > fully formed or consistent fashion, then you cannot apply standard > statistical reasoning about the chances of an 'observer moment' being > instantiated. > > Re-read what I said. I was disputing the block universe as reagrds > observer moments. If Observer moments don't actually exist until we > come to them via the river of time, then they cannot be reasoned about > using standard statistical methods to talk about pre-existing > frequencies. >

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Most ensemble theories of everything would postulate that all possible observer moments are already "there" in the ensemble. This is certainly true of my construction, as Bruno's and Deutsch's Multiverse. It is debatable in Schmidhuber's though, as he seems to have some notion of time that his "Great Programmer" lives in. I'm not sure what the status of Tegmark's ensemble is, but I doubt there is any external temporality in that. I suspect in that case you would disagree with most of the ensemble theories discussed here then. OTOH, if we're looking at it in terms of an emergent duality picture like I suggested, the observer moments do exist in the block multiverse, but when asking about appearances this is irrelevant, and one can only ask the question "what is the probability distribution of my next observer moment". This is the RSSA. Cheers -- *PS: A number of people ask me about the attachment to my email, which is of type "application/pgp-signature". Don't worry, it is not a virus. It is an electronic signature, that may be used to verify this email came from me if you have PGP or GPG installed. Otherwise, you may safely ignore this attachment. ---------------------------------------------------------------------------- A/Prof Russell Standish Phone 0425 253119 (mobile) Mathematics UNSW SYDNEY 2052 [EMAIL PROTECTED] Australia http://parallel.hpc.unsw.edu.au/rks International prefix +612, Interstate prefix 02 ---------------------------------------------------------------------------- --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Everything List" group. To post to this group, send email to everything-list@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/everything-list -~----------~----~----~----~------~----~------~--~---