public static ISet <Literal> getLiterals(Sentence disjunctiveSentence)
{
ISet <Literal> result = CollectionFactory.CreateSet <Literal>();
LiteralCollector literalCollector = new LiteralCollector();
result = disjunctiveSentence.accept(literalCollector, result);
return(result);
}
public override ISet <Clause> visitBinarySentence(ComplexSentence s, ISet <Clause> arg)
{
if (s.isAndSentence())
{
s.getSimplerSentence(0).accept(this, arg);
s.getSimplerSentence(1).accept(this, arg);
}
else if (s.isOrSentence())
{
ICollection <Literal> literals = CollectionFactory.CreateQueue <Literal>(LiteralCollector.getLiterals(s));
arg.Add(new Clause(literals));
}
else
{
throw new IllegalArgumentException("Sentence is not in CNF: " + s);
}
return(arg);
}
private bool CaseConstantsFor(BinaryExpression binaryExpression, out IList <string> foundConstants)
{
return(LiteralCollector.Collect(binaryExpression, out foundConstants));
}
