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Re: Relational lattice completeness

From: Jan Hidders <hidders_at_gmail.com>
Date: 9 Apr 2006 07:07:53 -0700
Message-ID: <1144591673.476108.307190@g10g2000cwb.googlegroups.com> 






Mikito Harakiri wrote:


>

> Tarski relation algebra appears not to have the union operator.




AFAIK both the cylindrical set algebra and the relation algebra  by
Tarski have both the union operator. See e.g.



http://citeseer.ist.psu.edu/vandenbussche01applications.html




Received on Sun Apr 09 2006 - 09:07:53 CDT












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