Category:Open Sets

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This category contains results about open sets in the context of topology.
Definitions specific to this category can be found in Definitions/Open Sets.


Let $T = \struct {S, \tau}$ be a topological space.

Then the elements of $\tau$ are called the open sets of $T$.


Thus:

$U \in \tau$

and:

$U$ is open in $T$

are equivalent statements.

Subcategories

This category has the following 9 subcategories, out of 9 total.

Pages in category "Open Sets"

The following 42 pages are in this category, out of 42 total.