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base_for_a_topology [2014/10/29 20:10] nikolaj |
base_for_a_topology [2014/10/29 21:09] nikolaj |
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==== Discussion ==== | ==== Discussion ==== | ||
- | A base $B$ for a topology is a collection its open sets, which suffice to cover any other open set. | + | A base $B$ for a topology is a collection its open sets, which suffice to cover any open set. |
==== Parents ==== | ==== Parents ==== | ||
=== Context === | === Context === | ||
[[Topological space]] | [[Topological space]] |