On 16 January 2014 19:00, Stephen Paul King <stephe...@provensecure.com>wrote:
> Dear LizR,
> One thing that this line of thinking that I am pursuing implies, is that
> systems what have different computational capacities will have differing
> "realities". The best analogy/toy model to explain this is to consider an
> electron and a human. Very different. What kind of "reality" would it
> experience (assuming that consciousness is not something that emerges from
> complexity, as per the hand waving arguments from material monist) as
> compared to the reality that humans experience?
> My definition of a reality is dependent on the notion of
> communication... I digress. The point is that a space-time manifold,
> mathematically speaking is defined such that it can capture the notion of
> an observer whose "point of view" and inertial frame can be varied in a
> continuous fashion. In this way we can canonically make claims like: the
> "laws of physics" are the same for all observers, and so forth. It need not
> be exactly like that. Nature might not be so smooth and continuous... It
> just needs the allow for the possibility of an observer in any situation
> that actually allows for observers that can have experiences and that can
> communicate with other observers. If I cannot communicate with you, how
> would I really know what your universe is really like?
I know where you're coming from, and as I like to say, on days with an 'R'
in them I will probably agree!
>> I have to change hats sometimes. In a debate on physics, I wear my
>> relativistic hat (which can be worn at any angle) and insist that we take
>> account of the space-time manifold. When we get on to metaphysics, of
>> course, I switch to a possibly nonexistent, or at least illusory hat...
> Sure! I do that too. I have a growing collection of hats. My philosophy
> hat is the one that has the most signs of wear...
Hehe. Yes, I can believe that!
>>> I really really like Bruno's notion of an observer. If only we could
>>> see eye to eye on the definitions of some other concepts... Such as that
>>> Computation is an *action* or transformation, not a static "being".
>>> Yes, well that is the eternal, or at least present, "presentism vs
>> eternalism" debate. Us (provisional) eternalists can't see why
>> you (provisional) presentists insist on there being a need for this
>> mysterious change above and beyond what a block multiverse already
>> provides. Comp is just the ultimate in emergent time (riding on the
>> shoulders of giants like Newton and Einstein of course - which doesn't make
>> it true, of course, but does mean that it should be seriously considered).
> It might be possible that the debate is based on a false dichotomy. Maybe
> presentism and eternalism are both wrong, based on a bad hypothesis of the
> nature of time!
That is of course possible. Some have considered a time outside time, for
example, especially after taking certain drugs.
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