These are my collection of notes for the book
Armstrong, M.A., 2013. Groups and symmetry. Springer Science & Business
Media.
for an introductory course in abstract algebra. I use them to look up definitions, theorems and tricks.
You can view the latest file directly at https://github.com/cslarsen/armstrong-notes/raw/master/armstrong-notes.pdf
Just use either of TeX Live or MacTeX, and you should have all the packages. I also upload a PDF for every commit.
Copyright 2016 Christian Stigen Larsen
Licensed under a Creative Commons Attribution 4.0 International
License.