This entry is missing Overview , add relevant content to make the entry more complete, and it can also be upgraded quickly. Hurry up edit Come on! [1] Cohesive set is a kind of super forbidden set. If A is an infinite set, it cannot be set by any:. A set is divided into two infinite parts, that is, for any:. Set adjacency, at least one of Wemen A and Bumen A is a finite set. Then A is called internal aggregation. Cohesive sets exist, in fact, any infinite set contains internal aggregation. Therefore, there are two internal aggregations. In addition, internal aggregation must be hh forbidden. When A is internal aggregation, A must not be internal aggregation
- Chinese name
- Cohesive set
- Foreign name
- cohesive set
- Category
- A kind of ultra forbidden set