Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:dictionary
hierarchy |
| gptkbp:appliesTo |
arithmetical formulas
arithmetical sets |
| gptkbp:describes |
gptkb:arithmetical_hierarchy
|
| gptkbp:field |
gptkb:logic
recursion theory |
| https://www.w3.org/2000/01/rdf-schema#label |
Kleene hierarchy
|
| gptkbp:introduced |
gptkb:Stephen_Cole_Kleene
|
| gptkbp:introducedIn |
1936
|
| gptkbp:namedAfter |
gptkb:Stephen_Cole_Kleene
|
| gptkbp:relatedTo |
gptkb:arithmetical_hierarchy
gptkb:hyperarithmetical_hierarchy analytical hierarchy |
| gptkbp:usedFor |
classification of sets and formulas
|
| gptkbp:bfsParent |
gptkb:Stephen_Kleene
|
| gptkbp:bfsLayer |
5
|