## CPSC 170 Postlab 7

Use the First Principle of Mathematical Induction to prove the
following:
- n
^{2} >= 2n+3 for n>=3

Use the Second Principle of Mthematical Induction to prove the following:
- Any amount of postage greater than or equal to 12 cents can be built
using only 4-cent and 5-cent stamps.