## B.7 Curved Lines

The symbols $\{$, $\}$, $($, and $)$ are covered in Section b.5: Brackets. The symbols $\mathcal{L}$, $\mathcal{N}$, $\mathfrak{R}$, and $\mathfrak{I}$ are covered in Section b.1: Font. See also Section b.8: The Greek Alphabet.