Introduction to Set Theory

Interactive Lesson by Thomas Cordell

Assignment

Here is your assignment over Set Theory. This is a self quiz that will be turned in for a completion grade. Upon completion please email the answers to me in a word doc. My contact information is in the Syllabus.

Important Note:

The answers will be provided for you; however it is in your best interest to know the material for the test.

 

Set Theory Assignment

1. Let X := {60, 168, 360, 504} and Y := {360, 504, 7920}. What is X \ Y?

             See answer to exercise 1.          

2. Let X and Y be as in the first exercise. What is Y \ X ?

             See answer to exercise 2.

3. Let V := {5, 6, 7, 8} and Y := {360, 504, 7920}. What is V x Y?

             See answer to exercise 3.

4. Let V and Y be as in the exercise 3. What is Y x V ?

             See answer to exercise 4.

5. Setting V := {5, 6, 7, 8} what is P(V)?

             See answer to exercise 5.

6. Let S be a set having 5 elements. How many elements does P(S) have?

             See answer to exercise 6.

7. Show that | S È T| = | S | + | T | - | S Ç T |

             See answer to exercise 7.