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Home -> Community -> Usenet -> comp.databases.theory -> Re: Definition of reference - was Continuation - An attempt at retriggering thought about past subjects
"mAsterdam" <mAsterdam_at_vrijdag.org> wrote in message
news:4627ac75$0$328$e4fe514c_at_news.xs4all.nl...
> Bruce C. Baker wrote:
>> Jonathan Leffler wrote: >>> Cimode wrote: >>>> I hope this may have some usefulness... >>>> >>>> 1) On a better formalization of reference definition, (subjects >>>> launched by Marshall)..I we came to the following formalization... >>>> (using math symbology I apologize in advance for being too terse)... >>>> >>>> --Reference >>>> R(a) ? S(b) ??a E R,?R(a): ?b E S | ?S(b) | a=b >>>> --Reference Unique >>>> R(a) ? S(b) ??a E R,?R(a): ?!b E S | ?!S(b) | a=b >
Hey! No cheap shots at OE's expense! :-D True, it's not great, but it's usually good enough for both email and newsgroups.
Thanks for the link.
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