X-Message-Number: 32863
From: 
Date: Fri, 24 Sep 2010 12:43:42 -0400 (EDT)
Subject: mix-ups

Keith Henson and others have advanced a pro-uploading argument essentially  
the same as my thought experiment # 20 from 1962--reversible replacement of 
 brain components by artificial equivalent ones. 
 
But my arguments against the likelihood of uploading refer to a different  
question--whether creation or recreation of consciousness is possible using 
a  digital algorithmic computer, essentially the same as those in use today 
or like  the Turing paper tape machine. The fact that today's computers, let 
alone a  paper tape machine, would be exceedingly slow, has no bearing on 
the issue. The  pro-uploading argument depends on the sufficiency of 
isomorphic similarity,  and that isomorphism does not depend on speed.
 
Robert Ettinger

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