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edited Jun 14, 2015 at 19:06

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Non meager rectangle

Suppose $G \subseteq \mathbb{R}^2$ is dense G-delta. Must there (in ZFC) exist non meager sets of reals $A, B$ such that $A \times B \subseteq G$?

set-theory gn.general-topology

asked Jun 14, 2015 at 18:30

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