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Orchid XP v7 <voi### [at] devnull> wrote:
> Are you saying there are things that can be calculated but not by a
> Turing machine?
As far as I can see, the Church-Turing thesis ("if an algorithm
(a procedure that terminates) exists then there is an equivalent Turing
Machine or applicable lambda-function for that algorithm") is a
hypothesis, not an axiom:
http://en.wikipedia.org/wiki/Church-Turing_thesis
The concept of hypercomputability, while theoretical, has been
considered.
http://en.wikipedia.org/wiki/Hypercomputation
--
- Warp
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