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Home -> Community -> Usenet -> comp.databases.theory -> Re: Relational symmetric difference is well defined
Vadim Tropashko <vadimtro_invalid_at_yahoo.com> wrote in
news:1182272313.867576.114250_at_i38g2000prf.googlegroups.com:
> On Jun 19, 7:50 am, Jan Hidders <hidd..._at_gmail.com> wrote:
>> On 19 jun, 16:30, "V.J. Kumar" <vjkm..._at_gmail.com> wrote:
>> > {(x,z)| (Forall y : A(x,y) <-> B(y,z) }
Not so fast, we ain't done yet. Received on Tue Jun 19 2007 - 15:39:27 CDT
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