3. Triangle Inequality
4. Weistras's Inequality
5. Cauchy-Schwarz Inequality
6. Tchebycheff's Inequality
7. Holders Inequality
8. Ptolemy's Inequality
9. The Parellelogram Inequality
11. Toricelli's (or Fermat's) point for maxima/minima
12. Leibniz's Theorem
13. The Erodos-Modell Inequality
14. Jensen's Inequality