// Set.h  A class for implementation of sets
class Set
{	public:	Set ();		// default constructor
				Set operator + (Set s);		// union of sets
				Set operator + (int n);		// insertion of an integer
				Set operator & (Set s);			// intersection of sets
				Set operator - (int n);			// removal of an integer
				int IsMember (int n);			// test for membership
	private: int members[100];
				int size;
};