|
|||||
|
|
Identities for Combinatorial Extremal Theory |
|
| Authors: | Thu T. D. |
| Affiliation: | Mathematics Department 227 Nguyen van Cu, University of HoChiMinh City, Vietnam |
| Abstract: | Let  be the set {1, 2, ..., n}, and let Ø be the emptyset. Let G be the family of all non-empty sets of subsets of. For A  G and X  , put  An important discovery is the following. 1991 Mathematics SubjectClassification 05D05. |
| Keywords: | |
| 本文献已被 Oxford 等数据库收录！ | |