Notes
1. Douglas Downing, Dictionary of Mathematics Terms, Barron's Educational Series, 1987, p. 362.
2. Jean-Jacques Rousseau, The Social Contract, 1762, p. 15.
3. The term "visible hand of competition" was first used by Alfred Chandler of the Harvard Business School in his book The Visible Hand: The Managerial Revolution in American Business, Harvard University Press, 1977.