On 5/20/2011 3:54 AM, Bruno Marchal wrote:


On 18 May 2011, at 18:54, meekerdb wrote:

On 5/18/2011 9:21 AM, Stephen Paul King wrote:
Hi Brent,
Interesting! If we follow this idea, that memory is not necessary for consciousness, then consciousness does not require a persistent structure to supervene upon. No?
Onward!
Stephen

I don't see how that follows.

Me too. Consciousness requires logically the entire arithmetical reality, for example (with mechanism). Without 2+2=4, there is no consciousness, nor computation, nor matter.



"Require" in what sense: logical, nomological,...? We know that a blow to the head can interrupt consciousness

We don't know that. With comp nothing interrupt consciousness.

I have experienced it, a gap in my consciousness. Of course you may say it is only a gap in my memory of consciousness, but a loss of memory can be induced in by drugs that do not cause one to be unresponsive at the time which is not remembered. This tells me that being unconscious is more that just not remembering.




and erase memories.

That can indeed happens locally and relatively. And that can give the feeling of having been unconscious.

Bruno

But consciousness is a matter of having feelings. Why credit feelings of being conscious but not those of having been uncouscious. This goes back to the question of the role of memories and whether memory is essential to consciousness. You may hypothesize that nothing interrupts consciousness, or make it true by a definition that denies physical (3rd person) time. But this strikes me as trying to save a theory by redefining words.

Brent

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