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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Subject: Re: SPARK : surprising failure with implication
Date: Wed, 2 Jun 2010 09:42:58 +0200
Date: 2010-06-02T09:42:45+02:00	[thread overview]
Message-ID: <1w1eqf61t3v92$.lh19ptdumc7y$.dlg@40tude.net> (raw)
In-Reply-To: op.vdnocgnzule2fv@garhos

(forall A,B in Boolean)

not B => not A =
   = not not B or not A =
   = B or not A =
   = not A or B =
   = A => B

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de



  reply	other threads:[~2010-06-02  7:42 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-01 18:51 SPARK : surprising failure with implication Yannick Duchêne (Hibou57)
2010-06-02  4:34 ` Yannick Duchêne (Hibou57)
2010-06-02  7:42   ` Dmitry A. Kazakov [this message]
2010-06-02  7:56     ` Yannick Duchêne (Hibou57)
2010-06-02  8:55       ` Dmitry A. Kazakov
2010-06-02  8:59         ` Yannick Duchêne (Hibou57)
2010-06-02  8:50 ` Yannick Duchêne (Hibou57)
2010-06-03  8:54   ` Yannick Duchêne (Hibou57)
2010-06-03  9:06     ` Yannick Duchêne (Hibou57)
2010-06-03 11:19     ` Yannick Duchêne (Hibou57)
2010-06-03 16:45   ` Yannick Duchêne (Hibou57)
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