Hal, here is my unprofessional and outsider 'meaning' which I developed in my decade-long battle against the undefined (openly (mis)used) term of "consciousness":
I consider an 'observer' (unqualified as to 'its' feature-essence) anything that acknowledges information. A second step, leading to my substitute definition of the ominous consciousness - rather pan-sesitivity, a related term for 'observer' - is the "response" to such 'acknowledged' information, any form , as storage, reaction, mere reference, or some change in qualia. I doubt the relevance of this to what you had in mind. John Mikes ----- Original Message ----- From: "Hal Ruhl" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Wednesday, April 21, 2004 9:08 PM Subject: Observers > I would like to explore just exactly what the various members of the list > mean by "observer" as in the following from Wei Dai's post. > > Hal > > > > >Consider all possible worlds consistent with your memories and current > >experiences. In other words, all possible worlds that contain at least one > >observer with memories and current experiences exactly identical to yours. > >Are there more than one such world? >