Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:topology
|
| gptkbp:alsoKnownAs |
gptkb:T6_space
perfectly normal space |
| gptkbp:definedIn |
a normal Hausdorff space in which every closed set is a G-delta set
|
| gptkbp:everyClosedSetIs |
G-delta set
|
| gptkbp:example |
gptkb:topology
Sorgenfrey line the real line with standard topology Moore plane |
| gptkbp:hasProperty |
gptkb:topology
|
| https://www.w3.org/2000/01/rdf-schema#label |
perfectly normal Hausdorff
|
| gptkbp:implies |
gptkb:Hausdorff
regular T1 T0 completely regular normal Hausdorff |
| gptkbp:introduced |
gptkb:Felix_Hausdorff
|
| gptkbp:usedIn |
gptkb:general_topology
|
| gptkbp:bfsParent |
gptkb:T6_separation_axiom
|
| gptkbp:bfsLayer |
8
|