Number System and Set Theory

Contents: Preface. 1. Natural numbers. 2. Integers. 3. Rational numbers. 4. Complex numbers. 5. Elementary logic. 6. Sets. 7. Relations and digraphics. 8. Mapping or functions.

"The subject matter has been discussed in such a simple way that the students will find no difficulty to understand it. Each chapter of this book contains complete theory and fairly large number of solved examples. At the end of each chapter an exercise containing important questions has been given." (jacket)