For comprehensive coverage, several highly-regarded unofficial community resources exist: Top Community Solution Guides GitHub Repositories narodnik GitHub repository
Never look at a solution until you have wrestled with a problem for at least 20 minutes. Abstract algebra is about training your brain to handle "stuckness." a book of abstract algebra pinter solutions better
: Pinter's book contains a few known errata (e.g., Chapter 2, Problem B7 incorrectly states a property isn't associative when it is). Always cross-reference your findings with math forums like r/math Compare with Other Texts For comprehensive coverage