All assignments must conform to the homework guidelines.

- Due Thursday, February 1, 2007. 1.1: 2(d), 9(b), 11(d); 1.2: 14 (a); 1.3: 9(a), 11. (Please note: this entry was corrected on Jan. 24 and the correction was announced in class on Jan. 25. Sorry for any inconvenience---Professor Sills.)
- Due Thursday, February 8, 2007. 1.4: 5(c), 5(e), 8, 11(b); 1.5: 3(b), 3(f) (This assignment was modified slightly after class on Thursday, February 1, since we did not finish section 1.5.)
- Due Thursday, February 15, 2007. 1.5: 10, 12c; 1.6: 1b, 5a, 5b, 8f.
- Due Thursday, March 8, 2007. 2.4: 8e, 8t, 8u; 3.1: 1a, 5abcd, 8b, 9a
- Due Thursday, March 22, 2007. 3.2: 1dfh, 2abcdefgh
- Due Thursday, March 29, 2007. 3.2: 4abcj, 6d, 9; 3.4: 8, Prove that
the ordering in problem 8 is
*not*a linear ordering. - Due Monday, April 23, 2007. 5.1: 1, 6b, 11abd; 5.2: 1b, 1c, 7, 10.