Statements (15)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mathematical_concept
|
| gptkbp:alsoKnownAs |
sunflower lemma
|
| gptkbp:field |
gptkb:set_theory
|
| gptkbp:introduced |
gptkb:Paul_Erdős
gptkb:Richard_Rado |
| gptkbp:introducedIn |
1960
|
| gptkbp:namedAfter |
gptkb:plant_species
delta-system |
| gptkbp:state |
Every sufficiently large family of finite sets contains a large subfamily forming a delta-system
|
| gptkbp:usedIn |
gptkb:combinatorics
gptkb:Ramsey_theory extremal set theory |
| gptkbp:bfsParent |
gptkb:Sunflower_lemma
|
| gptkbp:bfsLayer |
8
|
| http://www.w3.org/2000/01/rdf-schema#label |
Delta-system lemma
|