2

In what font is the letter written?

enter image description here

4
  • 3
    Try \mathfrak{i}
    – DG'
    Jan 25, 2023 at 13:11
  • 2
    @DG' You beat me by 10 seconds :-)
    – Sebastiano
    Jan 25, 2023 at 13:13
  • 2
    @Sebastiano -- 🏃
    – DG'
    Jan 25, 2023 at 13:14
  • 1
    To be more concise: The font is probably called Euler Fraktur which is loaded by the amssymb package (which provides the above mentioned \mathfrak command). Jan 25, 2023 at 19:47

1 Answer 1

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\documentclass{article}
\usepackage{amsmath,amssymb}


\begin{document}
$\mathfrak{i}$
\end{document}

enter image description here

2
  • Is there a terminology kn the mathematics community when to use mathfrak?
    – Simon
    Jan 25, 2023 at 13:35
  • @Simon Yes in Abstract Algebra for the Ideals for example.
    – Sebastiano
    Jan 25, 2023 at 19:27

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