Re: more on delete from join
From: paul c <toledobythesea_at_oohay.ac>
Date: Sat, 29 Aug 2009 01:06:26 GMT
Message-ID: <ma%lm.43022$PH1.12821_at_edtnps82>
>
> Oops, should have said (A <AND> B) OR (A <AND> <NOT>(B)) OR (<NOT>(A)
> AND B) is true. Question remains, what's the (logical) problem?
Date: Sat, 29 Aug 2009 01:06:26 GMT
Message-ID: <ma%lm.43022$PH1.12821_at_edtnps82>
paul c wrote:
> paul c wrote:
> ... Whether I would want an arithmetic system
>> to treat integers this way is one question but as for the relations, >> show me the logical inconsistency or contradiction, eg., if A AND B is >> true, so are A AND NOT B and NOT A AND B, what's the problem, really? >> ...
>
> Oops, should have said (A <AND> B) OR (A <AND> <NOT>(B)) OR (<NOT>(A)
> AND B) is true. Question remains, what's the (logical) problem?
Oops again: should have said (A <AND> B) <OR> (A <AND> <NOT>(B)) <OR>
(<NOT>(A)
<AND> B) is true. Question remains, what's the (logical) problem?
Received on Sat Aug 29 2009 - 03:06:26 CEST