On 22 avr. 2013, at 19:14, Craig Weinberg <whatsons...@gmail.com> wrote:

> A quote from someone on Facebook. Any comments?
> 
> "Computers can only do computations for rational numbers, not for real 
> numbers. Every number in a computer is represented as rational. No computer 
> can represent pi or any other real number... So even when consciousness can 
> be explained by computations, no computer can actually simulate it."

Of course it can, the same way it represents the letter A, as some sequence of 
bits. And it can perform symbolic computations with it. It can  calculate pi/2 
+ pi/2 = pi and so on.


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