Example #1
0
        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);
        }
Example #2
0
        private void printVisualTruthtables(Truthtable chosenTable)
        {
            //clear tables
            dgvTruthTable.Columns.Clear();
            dgvTruthTable.Rows.Clear();
            dgvSimpleTable.Columns.Clear();
            dgvSimpleTable.Rows.Clear();

            if (conHolder == null)
            {
                MessageBox.Show("No proposition has been parsed yet"); return;
            }

            //table = new Truthtable(conHolder);
            List <char>          arguments  = conHolder.GetListOfAllArguments();
            List <TruthtableRow> rows       = chosenTable.Rows;             //normal truthtable rows
            List <TruthtableRow> simpleRows = chosenTable.GetSimpleTable(); //simple truthtable rows

            //create form table's columns
            int counter = 0;

            foreach (char c in arguments)
            {
                dgvTruthTable.Columns.Add(c.ToString(), c.ToString());
                dgvTruthTable.Columns[counter].Width = 20;
                dgvSimpleTable.Columns.Add(c.ToString(), c.ToString());
                dgvSimpleTable.Columns[counter].Width = 20;
                counter++;
            }
            dgvTruthTable.Columns.Add("Result", "Result");
            dgvTruthTable.Columns[counter].Width = 50;
            dgvSimpleTable.Columns.Add("Result", "Result");
            dgvSimpleTable.Columns[counter].Width = 50;

            //provide form table's with rows
            DataGridViewRow row;

            foreach (TruthtableRow r in rows) //print normal table
            {
                row     = (DataGridViewRow)dgvTruthTable.Rows[0].Clone();
                counter = 0;
                foreach (char c in arguments)
                {
                    row.Cells[counter].Value = r.GetValueForArgument(c);
                    counter++;
                }
                row.Cells[counter].Value = r.RowValue;
                dgvTruthTable.Rows.Add(row);
            }
            foreach (TruthtableRow r in simpleRows) //print simple table
            {
                row     = (DataGridViewRow)dgvSimpleTable.Rows[0].Clone();
                counter = 0;
                foreach (char c in arguments)
                {
                    row.Cells[counter].Value = r.GetValueForArgument(c);
                    counter++;
                }
                row.Cells[counter].Value = r.RowValue;
                dgvSimpleTable.Rows.Add(row);
            }
        }