On Jan 10, 2014, at 11:43 AM, John Clark <[email protected]> wrote:
On Thu, Jan 9, 2014 at 5:38 PM, LizR <[email protected]> wrote:
>As a lot of people have now pointed out, physics can be local and
relistic if time symmetry is valid.
If time is symmetrical then retro-causality exists, so how can
realism hold? How can the outcome of a coin flip today have a
definite value independent of the observer if next year or next
millennium someone can cause a change in today's coin flip?
You are the obe who always says "free will" is meaningless. How can
anyone change anything from how it would otherwise be if they and
everything are ruled by the deterministic laws?
The block time view makes this more clear. We can no more change the
future than change the present or the past.
If realism holds under those circumstances then the word "realism"
has no meaning.
Do you think realism is valid in the block time view?
And by the way, if time is symmetrical then there is no point in
ever actually performing an experiment because you would remember
the future as clearly as you remember the past,
The second law of thermodynamics prohibits this, as I explained in
recent posts.
Jason
so you would already remember the outcome of the experiment just as
clearly as you remember setting up the experimental apparatus.
John K Clark
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