Statements (16)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:topology
|
| gptkbp:category |
gptkb:mathematics
gptkb:topology |
| gptkbp:defines |
A topological space X is a Menger space if for every sequence of open covers, there exist finite subfamilies whose union covers X.
|
| gptkbp:generalizes |
sigma-compactness
|
| gptkbp:hasProperty |
covering property
|
| https://www.w3.org/2000/01/rdf-schema#label |
Menger space
|
| gptkbp:introducedIn |
1924
|
| gptkbp:isWeakerThan |
Lindelöf property
sigma-compactness |
| gptkbp:namedAfter |
gptkb:Karl_Menger
|
| gptkbp:relatedTo |
gptkb:Lindelöf_space
sigma-compact space |
| gptkbp:studiedIn |
gptkb:general_topology
|
| gptkbp:bfsParent |
gptkb:Karl_Menger
|
| gptkbp:bfsLayer |
6
|