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16.2.2 Calligraphic



Use a script-like font.

In this example the graph identifier is output in a cursive font.

Let the graph be \( \mathcal{G} \).

If you use something other than an uppercase letter then you do not get an error. Instead you get unexpected output. For instance, \mathcal{g} outputs a close curly brace symbol, while \mathcal{+} outputs a plus sign.

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