Detailed explorations of polynomial rings, ideal theory, and Galois theory.
While not a PDF, you can often buy a used international edition of the Algebra paperback for $20–$30 on AbeBooks or eBay. International editions are printed in India or China and are legally purchased, just not intended for resale in the US. You can then legally scan your own copy for personal use (fair use in most jurisdictions for accessibility/backup purposes). michael artin algebra pdf
: Exploration of ideals, quotient rings, and unique factorization domains (UFDs). Detailed explorations of polynomial rings, ideal theory, and