Category:Open Sets

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This category contains results about Open Sets in the context of Topology.

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

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


$U \in \tau$


$U$ is open in $T$

are equivalent statements.


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

Pages in category "Open Sets"

The following 56 pages are in this category, out of 56 total.