>Some nice points. In answer to the last one: We happen to be in part of >reality where Y is not present. So what?
We happen to be distributed among computationnal histories. To explain why we see X and not Y we need to find some relative measure. If you still doubt that, I insist you should do very carefully the PE-omega thought experiments. Tell me if you see the point ? Bruno PLEASE, NOTE THE CHANGE IN MY URL !!! Bruno MARCHAL Phone : +32 (0)2 6502711 Universite Libre Fax : +32 (0)2 6502715 de Bruxelles Prive : +32 (0)2 3439666 Avenue F.D. Roosevelt, 50 IRIDIA, CP 194/6 B-1050 BRUSSELS Email : [EMAIL PROTECTED] Belgium URL : http://iridia.ulb.ac.be/~marchal