Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:topology
|
| gptkbp:alsoKnownAs |
gptkb:Fréchet_space
accessible space |
| gptkbp:appliesTo |
topological spaces
|
| gptkbp:defines |
A topological space is T1 if for every pair of distinct points, each has a neighborhood not containing the other.
|
| https://www.w3.org/2000/01/rdf-schema#label |
T1 separation axiom
|
| gptkbp:implies |
gptkb:T2_separation_axiom
all singletons are closed finite sets are closed |
| gptkbp:introduced |
gptkb:Felix_Hausdorff
|
| gptkbp:introducedIn |
1920s
|
| gptkbp:isWeakerThan |
gptkb:T0_separation_axiom
gptkb:T2_separation_axiom |
| gptkbp:relatedTo |
separation axioms
|
| gptkbp:symbol |
T1
|
| gptkbp:usedIn |
gptkb:general_topology
|
| gptkbp:bfsParent |
gptkb:T0_separation_axiom
|
| gptkbp:bfsLayer |
7
|