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Continuum theory, point-set topology, spaces with algebraic structure, foundations, dimension theory, local and global properties.

9 votes
1 answer
580 views

Is there a linearly Lindelöf non-Lindelöf $P$-space?

A completely regular topological space $(X,\tau)$ is a $P$-space, if every $G_\delta$-subset of $X$ is open (i.e $\tau$ is closed under countable intersections). A topological space $X$ is linearly …