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Home -> Community -> Usenet -> comp.databases.theory -> Re: curiousity of sets of no relations?
Bob Badour wrote:
> paul c wrote:
>
>> ... >> That seems a practical motivation. In terms of relations and/or set >> theory/predicate calculus can anybody give a more theoretical one?
In other words, I'm guessing, "to make it all work/to guarantee the ops always return relations", i.e., the motivation is practical only, analogous to notions such as the "empty product" (such as in http://en.wikipedia.org/wiki/Empty_product)? If so, I think I'm content with that, e.g., thinking of the empty set as just a gizmo to enable various operations we desire.
p Received on Sat Jun 10 2006 - 11:42:16 CDT