Sets, groups and relations book

  1. Hi,
    I would like to know if you guys know a good book on sets groups and relations, preferably with lots of exercises. I believe that I am on a beginner level, but I already know all basic concepts, so the text is not that important. It would be even better if it is available online hehe!
    Thks!
     
  2. jcsd
  3. Thks, I will take a look at it!
     
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