/// <summary>
/// Returns <c>true</c> if the below average strength is greater than or equal to the strength parameter.
/// </summary>
/// <param name="setting">The setting.</param>
/// <param name="__current">The __current.</param>
/// <returns>
/// <c>true</c> if the strength defined as <c>((a + b) / a) * ((a + c) / (a + b + c + d))</c> is greater than or equal to the strength parameter.
/// </returns>
/// <remarks>
/// <para>If <c>(a + c) = 0</c>, return false.</para>
/// <para>If <c>a = 0</c>, returns true.</para>
/// </remarks>
public override bool Validity(AbstractQuantifierSetting setting, Ice.Current __current)
{
FourFoldContingencyTable table = new FourFoldContingencyTable(setting.firstContingencyTableRows);
return table.BelowAverageImplicationValidity(K);
}