On Tuesday, November 27, 2018 at 4:32:53 AM UTC-6, Bruno Marchal wrote:
>
>
> On 24 Nov 2018, at 17:27, John Clark <[email protected] <javascript:>>
> wrote:
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>
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> Turing explained how matter can behave intelligently,
>
>
> No. He showed how a person can be attached to a computation, and also that
> physics is Turing complete, so that we can use matter to implement
> computations, like nature plausibly does. But it is not matter which behave
> intelligently: it is the person associated to the computation, and it
> behaves as well relatively to numbers than to matter. You use of matter is
> “magical”.
>
>
>
If humans are matter (meaning of course that human brains are matter), then
*humans
behave intelligently* means that (at least some) *matter behaves
intelligently*.
It is not clear that Turing in his last ("morphogenesis") years thought
that the Turing machine was a complete definition of computing in nature.
- pt
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