1. Exercise – (34 - 2)

2. Solution – (34 – 2a)

3. Solution – (34 – 2c)

4. Solution – (34 - 3)

5. Solution – (34 – 3a)

6. Inclusion-Exclusion for 3 Sets – (34 - 4)

7. Inclusion-Exclusion Principle for 4 Sets – (34 – 4a)

8. Exercise – (34 - 5)

9. Exercise – (34 – 5a)

10. Solution – (34 - 6)

11. Solution – (34 – 6b)

12. Solution – (34 – 6c)

13. Solution – (34 - 7)

14. Solution – (34 – 7b)

15. Solution – (34 – 7a)

16. Functions – (34 - 8)

17. Functions – (34 – 8a)

18. Pigeonhole – (34 - 9)

19. Exercise – (34 - 11)

20. Floor and Ceiling Functions – (34 - 17)

21. Example – (34 - 18)

22. Solution – (34 – 18a)