[Agda] Classical Mathematics for a Constructive World
Martin Escardo
m.escardo at cs.bham.ac.uk
Sun Nov 25 21:24:52 CET 2012
Another possible answer is this:
http://math.andrej.com/2012/10/03/am-i-a-constructive-mathematician/
Andrej Bauer
"there are many worlds of mathematics, and the view of the worlds
is relative to which one I am in"
I agree with both Andrej and Fred.
Martin
On 25/11/12 18:35, Martin Escardo wrote:
>
> On 25/11/12 13:06, Peter Divianszky wrote:
>> In the statement of the main theorem you use
>>
>> ₂ℕ : Set
>> ₂ℕ = ℕ → ₂
>>
>> which are the computable sequences of Booleans and
>> not all the classical sequences as I understand.
>> Should not the theorem be proved for classical sequences, provided that
>> it is a translation of a classical theorem?
>
> One possible answer is this:
>
> http://math.fau.edu/richman/HTML/CONSTRUC.HTM
> Fred Richman
>
> "Every theorem in constructive mathematics can be understood as
> referring to the conventional universe of mathematical discourse,
> and the proofs are acceptable within that universe. We do not
> limit ourselves to a restricted class of "constructive objects""
>
> Martin
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--
Martin Escardo
http://www.cs.bham.ac.uk/~mhe
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