Definition:System of Neighborhoods/Also known as
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System of Neighborhoods: Also known as
The system of neighborhoods of a point can also be referred to as the complete system of neighborhoods of that point.
Sources
- 1975: Bert Mendelson: Introduction to Topology (3rd ed.) ... (previous) ... (next): Chapter $2$: Metric Spaces: $\S 4$: Open Balls and Neighborhoods: Definition $4.4$