Re: compound propositions
From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Mon, 15 Mar 2010 20:44:42 -0300
Message-ID: <4b9ec5f3$0$12422$9a566e8b_at_news.aliant.net>
>
> Wasn't trying to obscure any context, the predicate I started with was "
> 'C1' is a customer OR 'C1' is a client".
Date: Mon, 15 Mar 2010 20:44:42 -0300
Message-ID: <4b9ec5f3$0$12422$9a566e8b_at_news.aliant.net>
paul c wrote:
> Bob Badour wrote:
>
>> paul c wrote: >> >>> Bob Badour wrote: >>> ... >>> >>>> What is the predicate of Customer[id] join Client[id] where [] >>>> signifies project? ... >>> >>> If you mean what is the 'external' predicate, I can't say, >> >> No, I meant the internal predicate but I screwed up in any case. I >> meant to use union not join. Sadly, you removed all reference to the >> original context. >> ...
>
> Wasn't trying to obscure any context, the predicate I started with was "
> 'C1' is a customer OR 'C1' is a client".
Which is equivalent to an instance of (Customer union Client) Received on Tue Mar 16 2010 - 00:44:42 CET