### 513 Recommended Exercises

[Chapter.Section, page(s) #exercises.]
• I.1, 4 #4, 5.
• I.2, 9 #1, 6--7, 9.
• I.3, 14 #2, 3, 7, 9.
• I.4, 17--8 #1--2, 4, 6, 8, 9.
• I.5, 20 #1, 3(--4?), 5?.
• I.6, 23 #1, 2, 4, 6?.
• I.7, 28 #1, 2, 4.
• I.8, 32--3 #1, 2, 4(--5?), 7.
• I.9, 36 #1, 2, 3.
• I.10, 39 #2, 4, 5?, 7.
• I.11, 42 #1, 2, 3, 4, 5.

• II.1, 46--7 #2, 3, 4, 6, 7, 12, 13.(a).
• II.2, 50--1 #3, 4, 5, 8.(c), 10, 11, 12.
• II.3, 55 #1, 2, 3, 4, 5, 7, 8, 9, 10.
• II.4, 59 #1, 2, 3, 5, 6, 7 assuming the group is finite.
• II.5, 62 #4, 6, 8, 9, 10.
• II.6, 67--8 #1, 2, 3, 4, 5, 8, 11, 15?.
• II.7, 71--2 #1, 2, 3, 4, 6, 7, 8, 10, 11, 12.
• II.8, 74--5 #1, 2, 3, 6, 9.
• II.9, 78--9 #1, 5, 6, 7, 8, 9, 12.
• II.10, 83--4 #4, 6, 7, 10, 11.

• III.1, 89--90 #3, 4, 5, 6.
• III.2, 94--5 #1, 2, 3, 5, 7, 9.
• III.3, 98 #2, 3, 7, 8, 9.
• III.4, 100--1 #1, 2, 3, 4, 5, 6, 7.
• III.5, 104 #3, 5, 6, 1?, 2?, 4?.
• III.6, 108 #2, 3, 4, 6.
• III.7, 110--1 #1, 2, 3, 4, 5, 6, 7.
• III.8, 114--5 #4, 5--7, 9, 13, 14, 3?.
• III.9, 116 #1, 2, 3, 5, 6, 7.
• III.10, 120 #1, 3, 4, 5, 7--8(--9?), 10.
• III.11, 122 #1, 2, 3.
• III.12, 123--4 #2, 5, 7.
• III.13, 127--8 #4, 5, 6, 7, 8, 9, 11, 12.
Plus all "implicit exercises" such as those parts of proofs "left to the reader".