Assignment 4A (Due Monday 1/31)

Note:  There will be some additional problems 4B also due Monday.  The union of these two problem sets will be Assignment 4.

Reading:  Gemignani, Chapter 6 and Section 7.1.

Problem 4.1

For each of these sets, list all the subsets of the set.  Also, write down the number of elements of the set and the number of subsets.

( a )  Set A = {}.

( b ) Set B = (1}.

( c ) Set C = {1, 2}.

( d ) Set D = {1, 2, {1, 2}}

Problem 4.2:  Gemignani, Section 6.2 # 3

Problem 4.3:  Gemignani, Section 6.2 # 4

Problem 4.4:  Gemignani, Section 6.3 # 3

Problem 4.5:  Gemignani, Section 6.5 # 2