Below the table is a listing of homework that will be collected.

DateSectionHomeworksClassworkChallengeAssigned Reading
2/14/027. Cont’dp. 43 #7, 8, 15 12, 16-20Section 9
2/19/029. Equivalence relations1, 3, 5, 7, 9, 10, 14, 18, 192, 4, 7b, 13, 216, 8, 15, 22Section 10
2/21/0210. Congruence1-8, 11-16, 19, 20, 25, 26 17, 18, 22-24, 27Section 11
2/26/0211. Integers modulo n1-10, 12-16  Sections 12 and 13
2/28/0212. GCD. LCM
13. Fundamental Theorem
p 66 1-10, 15p. 68  1-4, 7-12 p. 69 13, 16-19Section14
3/5/0214. Groups. Elementary Properties1, 2, 11, 12, 13, 18, 26, 273, 4, 26  
3/7/0214. Cont’d3-7, 20, 23, 24, 252028, 29, 33 
3/12/02Review Test # 2 
Sections 7-14
15. Direct Products
  p. 79 # 7, 8, 9, 11, 12, 17, 18, 20, 21, 22 p. 79 # 19, 25 
3/14/02Test # 2    

Homeworks that will be collected:

HomeworkDate AssignedDate DueHints
page 43 # 7, 152/14/022/19/02For #15: Use Theorem 7.1 and follow the proof for G_T in the book.
Extra  credit for Test #1  
Read: Section 8         
Do # 3-6, 9, 11-16 
2/14/022/21/02 
page 54 # 182/19/022/26/02 
page 58 # 16, 202/21/022/28/02For #16: use the suggestion in the book; it is straightforward.
page 66 #152/28/023/5/02 
page 68 # 1-4, 7-122/28/023/7/02 
page 79 # 7, 8, 9, 11, 12, 17, 18, 20, 21, 223/12/023/26/02