# The interior of a set in a topological space is equal to the union of all interior points of that set

From Maths

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## Contents

## Statement

The [ilmath]\text{Int} [/ilmath][ilmath](A)[/ilmath] is equal to the set of all interior points.^{[1]}

## Proof

## References

- ↑ Alec's own work - see the interior (topology) page for information at its current version (16th Feb 2017 @ 2015)