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Zermelo-Fraenkel set theory
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Bottom topology
Bottom topological space
Formulation 0
An
D548: Ordered pair
$T = (X, \mathcal{T})$ is a
bottom topological space
if and only if
(1)
$X$ is a
D11: Set
(2)
$\mathcal{T}$ is a
D1163: Bottom topology
on $X$
Child definitions
»
D1112: Empty topological space