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Invisible wrote:
> This seems relevant:
>
> http://en.wikipedia.org/wiki/Rice%27s_theorem
>
> Now, if only it wasn't completely incomprehensible...
So, to summarise:
For any property that some functions have and some functions don't
have, it is impossible to tell whether a given function has that
property just by examining the computer program that implements the
function.
(Or rather, for one specific program it might be possible, but it's not
possible for *every possible* program...)
Is that about right?
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