Then $\forall V$ neighborhood of $x$, there exists an open and connected neighborhood $U$ of $x$ such that $U \subseteq V$ and $X - U$ and connected.
This is true? If so, what would be the most appropriate proof? I try, but I could not solve.
Then $\forall V$ neighborhood of $x$, there exists an open and connected neighborhood $U$ of $x$ such that $U \subseteq V$ and $X - U$ and connected.
This is true? If so, what would be the most appropriate proof? I try, but I could not solve.
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