Category:Countable Complement Extension Topology
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This category contains results about Countable Complement Extension Topology.
Let $\R$ denote the real number line.
Let $\tau_d$ be the Euclidean topology on $\R$.
Let $\tau_c$ be the countable complement topology $\R$.
Let $\tau$ be the smallest topology generated by $\tau_c \cup \tau_d$.
$\tau$ is known as the countable complement extension topology on $\R$.
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