Some References for Math 202 Fall 2013: Proving Things, Analysis

These are classics — probably available in your local library. They are very different from each other.

• George Polya, How to Solve It, Princeton University Press (paperback)

• George Polya, Mathematics and Plausible Reasoning, Volume 1: Induction and Analogy in Mathematics  
  and   Volume 2: Patterns of Plausible Inference, Princeton University Press (paperback)

• Richard Courant & Herbert Robbins, What Is Mathematics?, Oxford University Press (paperback)