This book helps the student complete the transition from purely manipulative to rigorous mathematics. The clear exposition covers many topics that are assumed by later courses but are often not covered with any depth or organization: basic set theory, induction, quantifiers, functions and relations, equivalence relations, properties of the real numbers and etc.
Use the following url to access the free ebook Basic Concepts of Mathematics .
http://www.trillia.com/zakon1.html
