Re: Transitive Closure

From: Paul <paul_at_test.com>
Date: Fri, 14 May 2004 19:45:47 +0100
Message-ID: <ot8pc.4469$NK4.376363@stones.force9.net>

Vadim Tropashko wrote:
> Mikito Harakiri wrote:

>> From bigger perspective, it looks more than just a minor limitation. It's
>> breaking relational closure.

>
> That statement goes a little bit too far. TC output still belongs to
> relational universe, of course.

It's like the "square root" function on the real numbers. Just because it's undefined for negative numbers doesn't make it any less of a real function.

Or the "inverse" function being undefined for zero.

Paul. Received on Fri May 14 2004 - 13:45:47 CDT