| Major topic | Chapters | Major results | MSC |
| Partially ordered sets | 6,25 | Dilworth's theorem
Sperner's theorem Lattices |
06A,06B |
| Extremal set theory | 6,38 |
Erdös-Ko-Rado theorem Kruskal-Katona theorem Baranyai's theorem |
05D |
| Design theory | 17,18,19 22,23,27 |
Latin squares Steiner triple systems combinatorial geometries difference sets |
05B |
| Coding theory | 18,20,29 |
Hamming bound Singleton bound Hadamard matrices Reed-Muller codes Golay code Duality |
94A10, 94A24 |