My solutions to select problems from the popular textbook, Abstract Algebra by David Dummit, Richard Foote. A word of caution: My proofs have not been reviewed. Bear in mind that a couple proofs have been inspired by posts on math.stackexchange.com. Section 1.1 #9(b) Let $H = (G - \{0 + 0\sqrt{2}\}, \cdot)$. The operation $\cdot$ is clearly as... Read more 22 Jun 2022 - 45 minute read