Statements (12)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Mathematical principle
|
| gptkbp:describes |
If every real is constructible, then there is a real x such that every ordinal is definable from x
|
| gptkbp:field |
gptkb:Set_theory
|
| https://www.w3.org/2000/01/rdf-schema#label |
Harrington's Principle
|
| gptkbp:implies |
Existence of 0#
|
| gptkbp:namedAfter |
gptkb:Leo_Harrington
|
| gptkbp:relatedTo |
gptkb:Projective_sets
Determinacy |
| gptkbp:statedIn |
Descriptive set theory
|
| gptkbp:yearProposed |
1978
|
| gptkbp:bfsParent |
gptkb:Leo_Harrington
|
| gptkbp:bfsLayer |
7
|