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 static string CreateStructurePicture(TableauxSet startSet)
{
if (startSet == null)
{
throw new NullReferenceException();
}
//Console.WriteLine("PropositionReader: creating structure picture");
List <TableauxSet> allSets = startSet.GetAllSets();
FileStream fs;
StreamWriter sw;
string fileName = "abc.dot";
try
{
fs = new FileStream(fileName, FileMode.Create, FileAccess.Write);
sw = new StreamWriter(fs);
sw.WriteLine("graph calculus {");
sw.WriteLine("node [ fontname = \"Arial\" ]");
for (int i = 0; i < allSets.Count; i++)
{
if (allSets[i].IsTautology)
{
sw.WriteLine("node" + (allSets[i].ID) + " [shape=box,color=red,label = \"" + allSets[i].GetElementsAsString() + "\"];");
}
else
{
sw.WriteLine("node" + (allSets[i].ID) + " [shape=box,label = \"" + allSets[i].GetElementsAsString() + "\"];");
}
foreach (TableauxSet ts in allSets[i].Sets)
{
sw.WriteLine("node" + (allSets[i].ID) + " -- node" + ts.ID);
}
}
sw.WriteLine("}");
sw.Close();
}
catch (IOException)
{
throw new Exception("Structure picture failed");
}
return(CreateDotPNG(fileName));
}
private bool addNewSet(List <Connective> Connectives, TableauxSetElement SourceElement)
{
//copy elements except SourceElement
List <TableauxSetElement> tempElements = new List <TableauxSetElement>();
foreach (TableauxSetElement tse in elements)
{
if (tse != SourceElement)
{
tempElements.Add(tse);
}
}
//add new Elements created from SourceElement if such an element does not exist yet
bool addedAtLeastOne = false;
foreach (Connective con in Connectives)
{
bool sameFound = false;
foreach (TableauxSetElement tse in tempElements)
{
if (tse.Element.IsTheSameAs(con))
{
sameFound = true;
break;
}
}
if (!sameFound)
{
TableauxSetElement newElement = new TableauxSetElement(con);
tempElements.Add(newElement);
addedAtLeastOne = true;
}
}
//add set
if (addedAtLeastOne || SourceElement != null) //added one or removed one
{
TableauxSet newSet = new TableauxSet(tempElements);
sets.Add(newSet);
}
return(addedAtLeastOne || SourceElement != null);
}