Tom:
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Maybe I'm just stating the obvious here, but the "doubled" people seem right out of Aristophanes speech in the Symposium.
Funny; haven't been around Urth much the last couple of days, but this possiblity was nagging at me this very morning...the text states, however, that the Platonic people were round and double-faced, but I guess that it's a serviceable analogy if you drop those details...and why not?
->Zx<-
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Never imagine yourself not to be otherwise than what it might appear to others that what you were or might have been was not otherwise than what you had been would have appeared to them to be otherwise.
- Lewis Carroll
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Nothing exists except atoms and empty space; everything else is opinion.
- Democritos