Solution: Suppose $A$ is simple. Let $I$ be an ideal of $A$. Then $I$ is a submodule of $A$, and since $A$ is simple, $I = 0$ or $I = A$.
For students who want to check their answers or get more practice with the exercises, we provide a downloadable PDF solution manual for Chapter 6 of "Topics in Algebra". The solution manual includes detailed solutions to all exercises in the chapter.
The exercises in Chapter 6 of "Topics in Algebra" are designed to help students reinforce their understanding of the material. The exercises range from routine calculations to more challenging proofs. Here are some examples of exercises and their solutions:
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