/// <summary>
/// Returns <c>true</c> if this set contains the specified element.
/// </summary>
/// <param name="o">The element to look for.</param>
/// <returns><c>true</c> if this set contains the specified element, <c>false</c> otherwise.</returns>
public sealed override bool Contains(object o)
{
return(_basisSet.Contains(o));
}
