p. 83: 3

closure, Hausdorff

diagonal closed if Hausdorff (includes much explanation)

p. 83: 4, 8

p. 91: 4, 6, 1, 3, 8

p. 111: 2, 9: p. 118: 3, 5, 8; p. 152: 1, 7; p. 157: 8; p. 170: 1, 2, 4, 5

section 22: 4

section 22: 2;43: 8, 10

partial answer R^{omega} connected components