On 11 Aug 2011, at 19:24, meekerdb wrote:
On 8/11/2011 7:14 AM, Stathis Papaioannou wrote:
In any case, I have made the thought experiment simpler by *assuming*
that the replacement component is mechanically equivalent to the
biological tissue. We can imagine that it is a black box animated by
God, who makes it tickle the surrounding neural tissue in exactly the
right way. I think installation of such a device would *necessarily*
preserve consciousness. What do you think?
Are you assuming that there is no "consciousness" in the black box?
The problem is there. In fine, if the brain works like a machine,
consciousness is not related to its physical activity---which is a sub
level notion, but to the mathematical relation defining the high level
computation leading to the subject computational state.
A related problem: is the back box supposed to be counterfactually
correct or not, or is the black box accidentally correct for one
execution. Answering that question in keeping the mechanist assumption
leads to the "in fine" just above.
I think we are close to the question: does comp entails the 323
principle?
I don't insist on that, but it is a key to get the *necessary*
ontological reduction to arithmetic (which does not entail an
epistemological reduction).
I agree with what you say in another post: the term "behavior" is
ambiguous. The notion of substitution level disambiguates a part of
it, and the notion of counterfactuality disambiguates an orthogonal
part of it.
Bruno
http://iridia.ulb.ac.be/~marchal/
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