On 2/10/2016 7:34 PM, John Clark wrote:
On Wed, Feb 10, 2016 at 9:41 PM, Brent Meeker <[email protected]
<mailto:[email protected]>>wrote:
>
First, that's a causal loop. Not all explanations are in terms of
causes.
If a explanation doesn't **cause** a understanding then it's not an
explanation.
But a chain of explanations may not cause understanding at of the origin
at the first step but only after many steps reach something you already
understood. Explanations must always be in terms already understood.
But a chain, or loop or explanations that causes understanding for you
at some step is not a causal chain, one step does not cause another.
>
Second, there's no evidence that time-like loops are possible.
In 1949 Godel found a
solution in General Relativity that allowed closed time-like loops
(aka time machines) but it only works if the universe is spinning and
recent experimental evidence says it's not. Good thing too because
causal loop
s are paradox generators.
Only if you assume that you could travel around such a loop and exercise
free-will - which I assume you would be loathe to even contemplate.
Brent
>
Third, there's a lot of information in the sense you use it, that
was not there at the big bang - so where did it come from?
I don't know but I do know that a high entropy object contains more
information than a low entropy object, so if the universe started out
low entropy and if it's overwhelmingly likely that entropy will
increase with time then it's
overwhelmingly likely
that information will too.
John K Clark
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