On 5/10/2019 4:36 PM, Jason Resch wrote:
On Fri, May 10, 2019 at 6:07 PM 'Brent Meeker' via Everything List
<[email protected]
<mailto:[email protected]>> wrote:
On 5/10/2019 8:17 AM, Jason Resch wrote:
If the theory is to make any sense, any reference to "the
universe" must be consistent with every other reference to
"the universe".
Einstein's paper on special relativity begins with one concept of
time, and by the end of the paper refines it to a more accurate
conception of time. I don't think this is any different. Here we
start with a conventional meaning of "physical universe", and by
the end we show how the reasoning leads to a more refined concept
of universe.
The difference is that we don't credence Einstein's theory because
of some argument, we accept it because it made some surprising
predictions which were empirically verified.
Do you have another theory
Another theory than what? general relativity?
that can explain why we have:
* Simple physical laws that are probabilistic
?? Einstein's general realtivity is neither simple nor probabilistic.
But I do have an explanation as to why physical laws are relatively
simple (as compared to say geography or history): physicist direct their
attention and develop theories about reduced, simple systems. The rest
they leave to geographers and historians.
* Persistent regularities
What theory explains the existence of regularities? The weak anthropic
principle?
* An external world that contains the observer
As opposed to an external world that didn't have an observer to be
external to? Or as opposed to an observer who is not contained in
anything to observe?
* Inter-subjective agreement on physical laws
Physical laws are invented to describe and predict observations on which
there is intersubjective agreement.
* Subjective immortality
* Simple initial conditions
* Observation of a universe that evolves in time
* Observation of a universe with an absolute beginning in time
Facts not in evidence, as my lawyer would say.
Brent
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