Re: more on delete from join
From: paul c <toledobythesea_at_oohay.ac>
Date: Thu, 27 Aug 2009 00:29:08 GMT
Message-ID: <orklm.40840$Db2.8234_at_edtnps83>
>> Tegiri Nenashi wrote:
...
>>> Can you express the difference formally? I would insist relations and >>> predicates being the same thing. ... ...
>> Maybe the apparent difficulty in seeing the conclusion would go away
>> if the analogy of two different roads to the same destination is
>> used. Not very complicated if you ask me, nothing to do with infinite
>> predicates either.
>
> Wouldn't it be easier to just say tuples are propositions?
Date: Thu, 27 Aug 2009 00:29:08 GMT
Message-ID: <orklm.40840$Db2.8234_at_edtnps83>
Bob Badour wrote:
> paul c wrote: >
>> Tegiri Nenashi wrote:
...
>>> Can you express the difference formally? I would insist relations and >>> predicates being the same thing. ... ...
>> Maybe the apparent difficulty in seeing the conclusion would go away
>> if the analogy of two different roads to the same destination is
>> used. Not very complicated if you ask me, nothing to do with infinite
>> predicates either.
>
> Wouldn't it be easier to just say tuples are propositions?
Most of the time yes, in this case I think I need the indirection to make my point, can't think of a better way. Received on Thu Aug 27 2009 - 02:29:08 CEST