private bool createAllConHoldersAndTruthtables(string proposition)
{
try
{
//CREATING PROPOSITION
Connective con = PropositionReader.ReadPropositionString(proposition);
if (con.IsNormalProposition())
{
conHolder = new ConnectiveHolder(con);
table = new Truthtable(conHolder);
printDisjunctive();
conHolderDisjunctive = new ConnectiveHolder(tbDisjunctiveParse.Text);
tableDisjunctive = new Truthtable(conHolderDisjunctive);
conHolderDisjunctiveSimple = new ConnectiveHolder(tbDisjunctiveSimpleParse.Text);
tableDisjunctiveSimple = new Truthtable(conHolderDisjunctiveSimple);
conHolderNand = conHolder.GetNandHolder();
tableNand = new Truthtable(conHolderNand);
conHolderNandSimple = conHolderDisjunctiveSimple.GetNandHolder();
tableNandSimple = new Truthtable(conHolderNandSimple);
tbInfix.Text = conHolder.GetInfixString();
tbNand.Text = conHolderNand.GetParseString();
tbNandSimple.Text = conHolderNandSimple.GetParseString();
showTableauxTree = false;
//DRAWING AND PRINTING TABLE INFORMATION
printVisualTruthtables(table);
printTablesInformation();
}
else
{
if (!con.AreLocalArgumentsMatching(new List <char>(), new List <char>()))
{
throw new Exception("Local Arguments are mismatching or there are quantifiers with the same Local Argument");
}
conHolder = new ConnectiveHolder(con);
tbInfix.Text = conHolder.GetInfixString();
showTableauxTree = false;
}
Console.WriteLine("Succesfully parsed proposition: " + proposition);
}
catch (NullReferenceException)
{
MessageBox.Show("Parsing failed: please make sure that you wrote a proposition");
Console.WriteLine("Failed to parse proposition: " + proposition);
return(false);
}
catch (Exception ex)
{
MessageBox.Show("Parsing failed: " + ex.Message);
Console.WriteLine("Failed to parse proposition: " + proposition);
return(false);
}
return(true);
}
public TableauxHolder(string Proposition)
{
Connective proposition = PropositionReader.ReadPropositionString(Proposition);
infixString = proposition.GetInfix();
ConnectiveNot notPorposition = new ConnectiveNot();
notPorposition.setLeftConnective(proposition);
TableauxSetElement tse = new TableauxSetElement(notPorposition);
this.startTableaux = new TableauxSet(new List <TableauxSetElement>()
{
tse
});
isNormalProposition = notPorposition.IsNormalProposition();
if (!notPorposition.AreLocalArgumentsMatching(new List <char>(), new List <char>()))
{
throw new Exception("Local Arguments are mismatching or there are quantifiers with the same Local Argument");
}
calculateFreeArguments(notPorposition);
Console.WriteLine("Succesfully parsed proposition: " + Proposition);
Console.WriteLine("Creating tableaux nodes... (In-Progress Feedback: " + TableauxSet.provideFeedback + ")");
this.startTableaux.CreateNextSets(new List <char>(), availableArguments, true); //Can be (!isNormalProposition) OR (true)
this.startTableaux.CalculateIsTautology();
Console.WriteLine("Succesfully created all teableaux nodes");
}
public ConnectiveHolder(string proposition)
{
if (proposition != null)
{
Connective con = PropositionReader.ReadPropositionString(proposition);
if (con != null)
{
startConnective = con;
}
else
{
throw new NullReferenceException();
}
}
else
{
throw new NullReferenceException();
}
}