In this page, you will find all files for all editions of Prof. B.A.
Sethuraman's textbook A Gentle
Introduction to Abstract Algebra. This textbook is regularly
used in Math 360, the upper division
one-semester introductory course in abstract algebra here at CSUN. It
is written under the GNU Free Documentation License: it is therefore
"copylefted." Anyone is free to "copy, distribute and/or modify this
document" provided you do so
"under the terms of the GNU Free Documentation License, Version 1.3 or
any later version published by the Free Software Foundation." More
information about this license can be obtained at fsf.org. A copy of the
license is also included in the textbook.
History: Created June 2015 from Version
1.0. Added Chapter on proofs, added instructional videos for
Chapter
on proofs, for Chapter 1 (divisibility in the integers), and for
Chapter 2
(rings).
History: Created June 2015 from Version
1.0. Added Chapter on proofs, added instructional videos for
Chapter on proofs, Chapter 1 (divisibility in the integers), and
Chapter 2 (rings).
Old: Version 1.0 (This did not
have a version number when it first appeared.)