Keller & Trotter, Applied Combinatorics, Inclusion-Exclusion — Exercises, Exercise 7
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Exercise 7
Avg difficulty 2.5Adapted from Applied Combinatorics © 2006–2025 Mitchel T. Keller, William T. Trotter. Licensed under CC BY-SA 4.0. Source: Applied Combinatorics. Imported at revision 07286c4.