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base_for_a_topology [2014/10/29 20:10] nikolaj old revision restored (2014/10/28 19:23) |
base_for_a_topology [2014/10/29 20:10] nikolaj |
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===== Base for a topology ===== | ===== Base for a topology ===== | ||
==== Set ==== | ==== Set ==== | ||
- | | @#55CCEE: context | @#55CCEE: $\left X,T\right$ ... topological space | | + | | @#55CCEE: context | @#55CCEE: $\langle X,T\rangle$ ... topological space | |
| @#FFBB00: definiendum | @#FFBB00: $B\in$ it | | | @#FFBB00: definiendum | @#FFBB00: $B\in$ it | | ||
| @#AAFFAA: inclusion | @#AAFFAA: $B\subseteq T$ | | | @#AAFFAA: inclusion | @#AAFFAA: $B\subseteq T$ | |