On 02 Feb 2014, at 20:03, meekerdb wrote:
On 2/2/2014 1:44 AM, LizR wrote:
Someone asked how a block universe "comes to exist" and if it comes
into existence "all at once, or a bit at a time" (or something like
that).
I wish I could find the original question, to make sure exactly
what it was. But I haven't managed to find it, and I can't spend
all night trawling the forum for it, so I will just put my take on
the matter here.
Assuming I've got it right, this seems to me a rather odd question.
Asking how a block universe comes into existence presupposes that
this is a process that must happen within a time stream.
I can imagine a semi-block universe in which, as you've often
remarked, the past is a block and the universe keeps adding new
moments and growing. This would be like Barbour's time capsules,
except just sticking everything into one capsule, like a history
book that keeps adding pages. But yes it implies another exterior
"time" in which this "happens"; but then so does Bruno's UD.
Only if you call the order of the natiral numlbers a "time". The UD
does not use anything more.
Keep in mind that the TOE has been entirely given(*).
My point is that we needn't take these models seriously. We just
use them to try to picture things.
When you say "yes" to the doctor, mechanism is no more used as a
metaphor.
It can be false, but that is not yet prove. We don't get
contradiction, just quantum weirdness.
Bruno
Brent
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