Problems: 3.2(ii) on p.33 in Houston's book. Refer to the proof style in Supplement 1.
The following has been added:
Reading: Ch. 5 from Beck, Ch. 1 from Houston.
Problems: (From Houston) 1.10; 1.20 (ii); 1.23 (ii); 1.33 (i,ii); 1.34 (i-iv).