# Normal Space

A topological space is said to be *normal* if and only if it is both a $T_1$ and a $T_4$ space.^{[1]}

## Further Reading

## See Also

## External Links

- nLab - Normal Space
- Dartmouth Math 54 - Separation Axioms - Regularity and Normality (pdf)
- Stronger Separation Axioms - University of Toronto (pdf)

## References

- ↑ Steen, Lynn Arthur, and J. Arthur Seebach. Counterexamples in Topology. New York: Dover Publications, 1995. pp. 11-13.