Whether or not an exercise in the text asks you to justify/prove your answer is correct, your answers MUST ALWAYS include a justification for each assertion, usually in the form of a formal proof, but always expressed in complete English sentences. 

HW 1  Due Fri.  Jan. 31 in class

            Ex 1 # 1,2,3

HW 2  Due Fri.  Feb. 7 in class

            Ex 2 # 1,2,3,4,  Ex 3 #1,2,3

HW 3  Due Fri.  Feb. 14  in class

            Ex 3 # 5,6,  Ex 4 #3,5,7,8,  Ex 5 # 1,4,5

HW 4  Due Fri.  Feb. 21  in class

            Ex 6 # 1,2,4,5  Ex 7 # 2,3,4,7

HW 5  Due Fri.  Feb. 28  in class

HW 6  Due Fri.  Mar. 6  in class

HW 7  Due Fri.  Mar. 13  in class

HW 8  Due Fri.  Apr 3  uploaded on Canvas

            Ex 16 #5,6,7  Ex 17, #3,4,5  Ex 18 #1,2