Sawyer W. A Concrete Approach to Abstract Algebra 1978 torrent

Textbook in PDF format

Introduction: The Aim of This Book and How to Read It
The Viewpoint of Abstract Algebra
Arithmetics and Polynomials
Finite Arithmetics
An Analogy Between Integers and Polynomials
An Application of the Analogy
Extending Fields
Linear Dependence and Vector Spaces
Algebraic Calculations with Vectors
Vectors Over a Field
Fields Regarded as Vector Spaces
Trisection of an Angle
Answers to Exercises