Le 08-juil.-06, à 22:10, 1Z a écrit :



> Bruno Marchal wrote:
>
>> I am just saying that I have faith in the fact that the number 17 is
>> prime, independently of me.
>
> That "17 is prime" is true, independent of you?
>
> Or that 17 exists, independent from you, as a a prime number. ?




A priori the first one: " [17 is prime] is  independent of me". But now 
I accept also the first order predicate rule that if someone prove "17 
is prime", he can infer "Ex(x is prime)", so that I can take the 
proposition "it exists a number which is prime" as independent of me 
too.
I don't interpret "numbers existence" in any substantial way like if 
there was a place and a time where you can observe the number 17 
sitting on some chair ...

Bruno



http://iridia.ulb.ac.be/~marchal/


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