OKlibrary  0.2.1.6
MaxVarDegrees.mac
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00001 /* Oliver Kullmann, 24.3.2008 (Swansea) */
00002 /* Copyright 2008, 2011 Oliver Kullmann
00003 This file is part of the OKlibrary. OKlibrary is free software; you can redistribute
00004 it and/or modify it under the terms of the GNU General Public License as published by
00005 the Free Software Foundation and included in this library; either version 3 of the
00006 License, or any later version. */
00007 
00026 oklib_include("OKlib/ComputerAlgebra/Hypergraphs/Lisp/SetSystems.mac")$
00027 
00028 
00029 /* Formal boolean clause-set with 10 variables and 13 clauses, such that
00030    the variable-degree is 4, and every satisfying assignment for variable 1
00031    must set it to false. */
00032 tovey84 : [setn(10), {{-8,-9,-10},
00033 {-1,2,3}, {8,-2,-3}, {8,2,-3}, {8,-2,3},
00034 {-1,4,5}, {9,-4,-5},{9,4,-5}, {9,-4,5}, 
00035 {-1,6,7}, {10,-6,-7}, {10,6,-7}, {10,-6,7}}]$
00036 
00037