2013/8/22 meekerdb <meeke...@verizon.net>
> On 8/21/2013 2:42 PM, Quentin Anciaux wrote:
> Ok, and I'm fascinated by the question of why we haven't found viable
>> algorithms in that class yet -- although we know has a fact that it
>> must exist, because our brains contain it.
> We haven't proved our brain is computational in nature, if we had, then
> we would had proven computationalism to be true... it's not the case. Maybe
> our brain has some non computational shortcut for that, maybe that's why AI
> is not possible, maybe our brain has this "realness" ingredient that
> computations alone lack. I'm not saying AI is not possible, I'm just saying
> we haven't proved that "our brains contain it".
> There's another possibility: That our brains are computational in nature,
> but that they also depend on interactions with the environment (not
> necessarily quantum entanglement, but possibly).
Then it's not computational *in nature* because it needs that little
ingredient, that's what I'm talking about when saying "Maybe our brain has
some non computational shortcut for that, maybe that's why AI is not
possible, maybe our brain has this "realness" ingredient that computations
> When Bruno has proposed replacing neurons with equivalent input-output
> circuits I have objected that while it might still in most cases compute
> the same function there are likely to be exceptional cases involving
> external (to the brain) events that would cause it to be different. This
> wouldn't prevent AI,
It would prevent it *if* we cannot attach that external event to the
computation... if that external event was finitely describable, then it
means you have not chosen the correct substitution level and
computationalism alone holds... the only way to go out of that if for that
event to be non-computational in nature.
> but it would prevent exact duplication and hence throw doubt on ideas of
> duplication experiments and FPI.
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