Definition 3.10.2 (Precompact).label Let $X$ be a topological space and $A\suf X$, then $A$ is precompact if $\cl{A}$ is compact.
Definition 3.10.2 (Precompact).label Let $X$ be a topological space and $A\suf X$, then $A$ is precompact if $\cl{A}$ is compact.
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