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- Newsgroups: comp.lang.lisp
- Path: sparky!uunet!haven.umd.edu!darwin.sura.net!wupost!gumby!yale!yale.edu!ira.uka.de!sun1.ruf.uni-freiburg.de!news.belwue.de!eratu.rz.uni-konstanz.de!nyx.uni-konstanz.de!phfrom
- From: phfrom@nyx.uni-konstanz.de (Hartmut Frommert)
- Subject: Re: ?? boolean minimization code ??
- Message-ID: <phfrom.259@nyx.uni-konstanz.de>
- Keywords: boolean function minimization
- Sender: usenet@eratu.rz.uni-konstanz.de
- Organization: Dept. of Physics, University of Constance
- References: <1992Aug25.204217.2870@beaver.cs.washington.edu>
- Date: Wed, 26 Aug 1992 09:03:04 GMT
- Lines: 23
-
- nick@skate.cs.washington.edu (Nicholas Kushmerick) writes:
-
- >does anybody have any (lisp?!) code that does boolean function minimization,
- >e.g.:
-
- > p+~p --> true
-
- > (a&b)+~a --> b+~a
-
- > (~a&~b&c)+(~a&b&c)+(a&~b&c)+(a&b&c) --> c
-
- >ideally, both the input and output should be in s-o-p form, like my examples.
-
- There's a REDUCE (3.3) program which was some time ago on the netlib at
- rand.org which does a similar job (I'm not sure how good). If you are
- interested, please e-mail. Name of the program was "PMRULES", if I remember
- right.
- --
- Hartmut Frommert, Physics, Univ of Constance, | + Whale killing is murder. +
- P.O.Box 55 60, D-W-7750 Konstanz, Germany | + Eat whale killers, not whales.
- E-Mail: <phfrom@dknkurz1.bitnet> or <phfrom@nyx.uni-konstanz.de>
- + "Windows NoT" expands in German to "Windows Noch Teurer"
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-