ReadingThis is not in the Epp textbook but will be useful for counting things later in the course.You can find some examples in the Levin online textbook under Principle of Inclusion/Exclusion.VideoExercisesLevin Section 1.1 Questions 6 and 7 License All rights reserved The University of Edinburgh Book traversal links for DMP 4.3: Principle of Inclusion/Exclusion DMP 4.2: Disproofs and Algebraic Proofs Up DMP 4.4: Properties of Functions