Re: The Fact of relational algebra (was Re: Clean Object Class Design -- What is it?)

In article <1002196323.271647_at_kang.qonos>,  "Daniel Poon" <spam_at_spam.com> wrote:

> *** relation : (logic, set theory)
> a correspondence between two sets (say A, B) represented by
> a set of ordered pairs, each containing one element from
> A and one from B.

> Implying you have to normalise everything into binary relations before it
> looks anything like the above definition.

But the n-ary relations used in database design are an obvious generalisation of the above. What would you call them?

Sean Case

-- 
Sean Case                       gsc_at_zip.com.au

Code is an illusion.  Only assertions are real.