public bool CoveredBy(string[] values)
{
//if (values == null || SortedTuple == null || values.Length == 0 || SortedTuple.Count == 0)
//{
//}
return(SortedTuple.All(v => values.Contains(v)));
}
public Itemset Extend(string value)
{
if (SortedTuple.Contains(value))
{
return(null);
}
List <string> values = new List <string>();
values.AddRange(SortedTuple);
values.Add(value);
return(new Itemset(values, 1));
}
public bool Contains(string value)
{
return(SortedTuple.Contains(value));
}
