Statements (16)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:topology
|
| gptkbp:builtBy |
product topology
[0, ω₁] × [0, ω] ordinal spaces |
| gptkbp:category |
gptkb:general_topology
|
| gptkbp:hasPointRemoved |
deleted Tychonoff plank
|
| https://www.w3.org/2000/01/rdf-schema#label |
Tychonoff plank
|
| gptkbp:namedAfter |
gptkb:Andrey_Tychonoff
|
| gptkbp:property |
gptkb:Hausdorff
compact not metrizable not normal |
| gptkbp:relatedTo |
Dieudonné plank
|
| gptkbp:usedIn |
counterexample in topology
|
| gptkbp:bfsParent |
gptkb:Soviet_school_of_topology
|
| gptkbp:bfsLayer |
8
|