Category:Pointed Rational Extension of Reals
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This category contains results about Pointed Rational Extension of Reals.
Let $\struct {\R, \tau_d}$ be the real number line with the usual (Euclidean) topology.
Let $\Q$ denote the set of rational numbers.
Let $\BB$ be the set of sets defined as:
- $\BB = \set {\set x \cup \paren {U \cap \Q}: x \in U \in \tau_d}$
Let $\tau'$ be the topology generated from $\BB$.
$\tau'$ is referred to as the pointed rational extension of $\R$.
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