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Originally Posted by Richard J. Hanak
[Snip!]Sensory organs cannot be fooled.
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Utter and complete nonsense. You should know better. There are countless examples of optical and aural illusions. (For a while it seemed as if
Scientific American had a "sensory illusion of the month" article in each issue!
)
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Originally Posted by Richard J. Hanak
So long as they work at all, given a suitable stimulus they transmit an appropriate signal to the brain.
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How do you know that the stimulus is suitable and the signal appropriate?
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Originally Posted by Richard J. Hanak
Celestial Mechanic wrote:
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Now when I say that everything in the universe is connected, I only mean it in the sense above, of an actual literal connection particle to particle via their interactions, mostly electromagnetic, but there are also gravitational interactions over large distances and strong and weak interactions over sub-nuclear distances.
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A photon is a physical thing to which properties (frequency, velocity) and a history (time and place of emission, time and place of absorption) can be attributed. If each thing is connected to every other thing, is each photon connected to every other photon? If so, what is the nature of that connection?
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You didn't really read the post this was in, did you? Every photon is connected to every other photon in the universe via either the particle that emitted or absorbed it, and that particle via a force-particle with which it interacted, and that force-particle via another particle and so on through possibly quintillions of particle/force-particle pairs until we finally arrive at the particle that either emitted or absorbed the other photon.
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Originally Posted by Richard J. Hanak
Celestial Mechanic also wrote:
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The sense of the word 'closure' that I have in mind is this: the process of expanding a set according to some process until the set can be expanded no further.
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What would prevent further expansion of the set?
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Nothing more exists to add to the set.
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Originally Posted by Richard J. Hanak
Celestial Mechanic continued:
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Imagine as much of the diagram as you can. Now imagine everything else that it is connected to, and everything else that that is connected to, ad infinitum (if necessary!).
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That is confusing. Why should expansion of the set be limited, but expansion of the diagram go on ad infinitum?
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We can only imagine so much at a time.