On 11 May 2014 11:40, Quentin Anciaux <[email protected]> wrote: > 2014-05-11 0:58 GMT+02:00 LizR <[email protected]>: > >> On 10 May 2014 23:30, Stathis Papaioannou <[email protected]> wrote: >> >>> On 10 May 2014 20:12, Telmo Menezes <[email protected]> wrote: >>> >>>> On Sat, May 10, 2014 at 8:30 AM, LizR <[email protected]> wrote: >>>> >>>>> On 10 May 2014 17:30, Stathis Papaioannou <[email protected]> wrote: >>>>> >>>>>> On Saturday, May 10, 2014, LizR <[email protected]> wrote: >>>>>> >>>>>>> I guess one could start from "is physics computable?" (As Max >>>>>>> Tegmark discusses in his book, but I haven't yet read what his >>>>>>> conclusions >>>>>>> are, if any). If physics is computable and consciousness arises somehow >>>>>>> in >>>>>>> a "materialist-type way" from the operation of the brain, then >>>>>>> consciousness will be computable by definition. >>>>>>> >>>>>> >>>>>> Is that trivially obvious to you? The anti-comp crowd claim that even >>>>>> if brain behaviour is computable that does not mean that a computer >>>>>> could be conscious, since it may require the actual brain matter, and not >>>>>> just a simulation, to generate the consciousness. >>>>>> >>>>>> If physics is computable, and consciousness arises from physics with >>>>> nothing extra (supernatural or whatever) then yes. Am I missing something >>>>> obvious? >>>>> >>>> >>> You're missing the step where you explain how doing the computations >>> generates consciousness. That is what I understand "consciousness is >>> computable" to mean. >>> >> >> My point is that I don't need to. If physics is computable and >> *if*consciousness arises from physics, consciousness >> *must* be computable (even if it's only computable at the level of the >> fundamental particles and hence a somewhat long computation). >> >> The point of my argument was to side-step worrying about exactly how >> consciousness is computable. It may be a lot easier to dsicover is >> fundamental physics is. >> >> Now where's my platonist hat got to? >> >> But that's digital physics.. and as Bruno showed, if physics is > computable, consciousness is, and if it is, by FPI, physics isn't... > contradiction. > > Hence the last paragraph of my post.
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