Statements (14)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:mathematical_concept
|
| gptkbp:appliesTo |
topological spaces
|
| gptkbp:field |
gptkb:topology
|
| https://www.w3.org/2000/01/rdf-schema#label |
Urysohn metrization theorem
|
| gptkbp:implies |
second-countable regular spaces are metrizable
|
| gptkbp:namedAfter |
gptkb:Pavel_Urysohn
|
| gptkbp:relatedTo |
gptkb:Tychonoff_theorem
gptkb:Nagata–Smirnov_metrization_theorem gptkb:metrization_theorem |
| gptkbp:state |
Every regular second-countable topological space is metrizable.
|
| gptkbp:yearProved |
1925
|
| gptkbp:bfsParent |
gptkb:Urysohn's_lemma
gptkb:Pavel_Urysohn |
| gptkbp:bfsLayer |
6
|