Stathis Papaioannou wrote: > Brent Meeker writes: > > > >>> If you died today and just by accident a possible next > > >>> moment of consciousness was generated by a computer a trillion years in > > >>> the > > >>> future, then ipso facto you would find yourself a trillion years in the > > >>> future. > > >> That's the whole problem. I could just as easily find myself in an HP > > >> universe. But I never do. > > > > > > Not "just as easily". If you are destructively scanned and a moment from > > > now 2 copies > > > of you are created in Moscow and 1 copy created in Washington, you have a > > > 2/3 chance > > > of finding yourself in Moscow and a 1/3 chance of finding yourself in > > > Washington. It is a > > > real problem to explain why the HP universes are less likely to be > > > experienced than the > > > orderly ones (see chapter 4.2 of Russell Standish' book for a summary of > > > some of the > > > debates on this issue), but it is not any more of a problem for a > > > mathematical as opposed > > > to a physical multiverse. > > > > I'm not sure what a mathematical MV is: if you mean the Tegmark idea of the > > set of all mathematically consistent universes then I think you're wrong. > > There is no measure defined over that set (and I doubt it's possible to > > define one). But the physical universe obeys the laws of QM and it appears > > that eigenselection, as proposed by Zeh, Joos, and others, may provide a > > natural measure favoring order. > > What if the set of all mathematically consistent universes were actually, > physically instatiated? > My point is that physical instantiation per se does not solve the HP problem, > unless we say that > only the non-HP universes are instantiated, making "multiverse" narrower than > "all mathematically > consistent universes".
That is a variation on measure. Uninstiated universes have measure 0. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Everything List" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/everything-list -~----------~----~----~----~------~----~------~--~---
