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Home -> Community -> Usenet -> comp.databases.theory -> Re: Notions of Type
paul c wrote:
> ...
> (I think I read of TA's generalized union here at about the same time as
> I read where Hugh Darwen deprecated the union used by ISBL, which was
> called common-column union or somesuch, even though he was one of the
> ISBL authors!)
BTW, didn't mean to suggest that I don't like TA's 'generalized union', because I do like it, just can't explain very well why I do!
The best I can do is to say that it isn't 'classical or'.
p Received on Sat Aug 19 2006 - 21:59:59 CDT
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