private static void PrintTrace(ParsedExpression expression, LogicDerivation derivation, string initialText)
{
LogicSyntax logicSyntax = expression.LogicSyntax;
NegationSyntax negationSyntax = expression.NegationSyntax;
int i = initialText.Length;
var localStringBuilder = new StringBuilder();
for (int j = 0; j < i; j++)
{
localStringBuilder.Append(" ");
}
String str = localStringBuilder.ToString();
int k = 1;
foreach (LogicStep localLogicStep in derivation.Steps)
{
Console.WriteLine(
new StringBuilder().Append(k != 0 ? initialText : str).Append(" |=| ").Append(
localLogicStep.Expression.ToString(logicSyntax, negationSyntax)).Append(" - ").Append(localLogicStep.Comment).Append(
" - ").Append(LogicHandler.GetFormName(localLogicStep.Form)).ToString());
k = 0;
}
Console.WriteLine(new StringBuilder().Append("CNF: ").Append(derivation.CNF.ToString(logicSyntax, negationSyntax)).ToString());
Console.WriteLine(new StringBuilder().Append("DNF: ").Append(derivation.DNF.ToString(logicSyntax, negationSyntax)).ToString());
}
public static LogicDerivation LocalLogicDerivation(ParsedExpression expression)
{
var derivation = new LogicDerivation(expression.Expression);
if (derivation.CNFandDNF)
{
return derivation;
}
derivation.CarryOutNonPrimaryOperatorReplacement();
derivation.CarryOutBoolValues();
if (derivation.CNFandDNF)
{
return derivation;
}
derivation.CarryOutAssociativity();
derivation.CarryOutDeMorgans();
derivation.CarryOutAssociativity();
derivation.CarryOutIdempotency();
derivation.CarryOutBoolValues();
derivation.CarryOutAbsorbtion();
if (derivation.CNFandDNF)
{
return derivation;
}
do
{
derivation.CarryOutDistributivity();
derivation.CarryOutAssociativity();
derivation.CarryOutIdempotency();
derivation.CarryOutBoolValues();
derivation.CarryOutAbsorbtion();
} while (!derivation.CNFandDNF);
return derivation;
}