Definition:Cover of Set/Subset/Illustration

Illustration for Cover of Subset

The following diagram illustrates a cover of a subset $T$ of a set $S$:

Sources

• 1975: W.A. Sutherland: Introduction to Metric and Topological Spaces ... (previous) ... (next): $5$: Compact spaces: $5.2$: Definition of compactness: Remark $5.2.3 \ \text {(a)}$