Homework No. 14

1.  Mathematical induction.
Read FOL, pages 227-232 (Section 9.1) and pages 235-237 (Section 9.3). Do problems:

1. Page 232, Problem 1. (2 points)
2. Page 233, Problem 7. (2 points)

2.  Mathematical induction.
Choose one of the claims on Handout #21 and prove it as detailed as possible. (2 points)

3.  Set theory.
Read FOL, pages 207-216 (Sections 8.1-8.4). Do the following problems:

1. Page 211, Problem 1. (1 point)
2. Page 211, Problem 4. (1 point)
3. Page 216, Problem 10. (2 points)