Re: A pk is *both* a physical and a logical object.

From: paul c <toledobythesea_at_oohay.ac>
Date: Fri, 13 Jul 2007 22:31:17 GMT
Message-ID: <V2Tli.111338$1i1.13897@pd7urf3no>

Jan Hidders wrote:
> On 13 jul, 17:22, paul c <toledobythe..._at_oohay.ac> wrote:
>

>>[...] To be fair, I should
>>say that what little I understand of Bertrand Russell's writing suggests
>>that he might have approved of separating entities from concepts in a
>>logical machine, I recall he liked to separate "real things" from
>>"class-concepts".

>
>
> As far as I know he flipped a few times between being a realist and a
> nomalist. Of course the distinction between abstract and concrete
> entities is completely independent of the distinction between physical
> and logical entities, so I'm not really sure why you would bring that
> up at this point.
>
> -- Jan Hidders
>

David C opened the door when he mentioned something like "problems that drive sql practioners to emphasize keys" or somesuch. Besides, I thought the thread was stuck in a rut.

p Received on Fri Jul 13 2007 - 17:31:17 CDT