\begin{definition}[Definition:Limit Point/Topology/Set/Definition 2]
Let $T = \left({S, \tau}\right)$ be a topological space.
Let $A \subseteq S$.
A point $x \in S$ is a '''limit point of $A$''' {{iff}}
: $x$ belongs to the closure of $A$ but is not an isolated point of $A$.
\end{definition}