math 5

Discrete Mathematics

Readings Check section 5.1

Read Section 5.1, pages 248 ( 252.

Type in the answers below each question and email the completed document to me, or print out the document and fill it out by hand and email a scan or photo of it to me.

1) What is the notation A ( B called? What set does it produce?

2) Looking at example 5.3, what is |A ( A ( B ( B| ?

3) What is a binary relation from A to B?

4) Looking at example 5.5, and supposing that |C| = 4 and |D| = 7 how many possible relations are there from C to D?

5) In example 5.8 is (4, 28) in the relation R ?

6) Using the theorem on p. 252, how can (D ( F) ( (E ( F) be rewritten?

After submitting this form, go on to watch the videos, read the notes, and start the homework assignment for section 5.1. Ask any questions that arise at any point in the process. When the homework assignment is done, and you feel that you have a solid understanding of the homework and the section, then take the quiz for section 5.1.