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List:       spamassassin-users
Subject:    Re: OR NOT Logic
From:       Russell Miller <rmiller () duskglow ! com>
Date:       2006-05-02 22:05:21
Message-ID: 200605021505.22428.rmiller () duskglow ! com
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On Tuesday 02 May 2006 14:59, Dan wrote:
> Is:
>
> A && (B || C || D || E || F)
>
> equivalent to?:
>
> A && (!B && !C && !D && !E && !F)
>
I believe that's a fundamental logic rule, so yes.

A && B == ~A || ~B

--Russell

> as in:
>
> meta __FORGED_OUTLOOK_DOLLARS	(__OUTLOOK_DOLLARS_MUA && !
> __OUTLOOK_DOLLARS_MSGID && !__OUTLOOK_DOLLARS_OTHER && !__IMS_MSGID
> && !__UNUSABLE_MSGID)
>
>
> Thanks,
> Dan
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