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A space $X$ is called left-separated if it can be well-ordered in such a way that every initial segment is closed iin $X$.
Could someone post some left-separated space to help me understand such definition?
A space $X$ is called left-separated if it can be well-ordered in such a way that every initial segment is closed i $X$.
A space $X$ is called left-separated if it can be well-ordered in such a way that every initial segment is closed in $X$.
