On 2/17/08, Stathis Papaioannou <[EMAIL PROTECTED]> wrote: > If computation is multiply realizable, it could be seen as being > implemented by an endless variety of physical systems, with the right > mapping or interpretation, since anything at all could be arbitrarily > chosen to represent a tape, a one, a zero, or whatever.
Sure, pretty much anything could be used as a symbol to represent anything else, but the representing would consist in the network of causal interactions that constitute the symbol manipulation, not in the symbols themselves. (And certainly not in anyone having to be around to understand the machinery of symbol manipulation going on.) ------------------------------------------- singularity Archives: http://www.listbox.com/member/archive/11983/=now RSS Feed: http://www.listbox.com/member/archive/rss/11983/ Modify Your Subscription: http://www.listbox.com/member/?member_id=4007604&id_secret=96140713-a54b2b Powered by Listbox: http://www.listbox.com
