Current Data About
topology
| (P279) |
(Q26897143)
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| (P361) |
(Q179899)
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| (P1889) |
(Q42989)
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| (P2534) |
\begin{aligned} &\emptyset,\ \mathcal{X} \in \mathcal{T} \\ &\bigcup_{i\in I} U_i \in \mathcal{T} \quad\forall\,U_i\in \mathcal{T} \\ &\bigcap_{i=1}^n U_i \in \mathcal{T} \quad\forall n\in\N,\ \forall\,U_i\in \mathcal{T} \end{aligned}
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| (P6104) |
(Q8487137)
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| (P7235) |
\mathcal{T}
U_i
\mathcal{X}
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other details
| aliases |
topology on a set topological structure |
| description | (structure) collection of open subsets of a topological space |