status 20110527(b)

Finished write up 3-2.3 and 3-2.7

Fuzzy reading: 339/1144
Browse reading: 309/1144
Exercises up to 3-2.4.  Also finished 3-2.{6,7,8}. 

Needs write up: 3-2.8, P2.1c

Exercises which are finished but not on paper: 1.1-2, 1.2-2, 1.2-3, P1-1, 3.2-{5}, Part-finished 3.2-8, P3-1, P3-4{a,c,d,e,f}, 4.5-1, P4.4(a-c), 6.1-{1,2,3,7}, 6.2-3, 6.2-4, 10.1-6, 10.1-7, 12.1-{1,2,4} 12.2-{2.3}, 12.4-4, P12.4(a).