1

I am looking for latex codes for the following characters:

enter image description here

My attempt to use detexify to find the symbols were unsuccessful.

\mathbb{1} does not produce the right symbol.

2
  • @campa, the link you sent, solves the problem for 1, but not for its mirror.
    – Name
    Feb 18 '21 at 14:59
  • Once you have the blackboard bold "1", you can use the \reflectbox command from the graphicx package. Feb 18 '21 at 17:39
2
\documentclass{article}
\usepackage{bbm,graphicx}
\begin{document}
$\mathbbm{1}$\reflectbox{$\mathbbm{1}$}
\end{document}

enter image description here

Alternately, in campa's referenced answer, there is also the dsfont package, giving what looks like a scalable alternative:

\documentclass{article}
\usepackage{dsfont,graphicx}
\begin{document}
$\mathds{1}$\reflectbox{$\mathds{1}$}
\end{document}

enter image description here

6
  • 1
    \reflectbox is shorter ;-)
    – campa
    Feb 18 '21 at 14:59
  • @campa Thanks. I approach LaTeX like I do physics. I just remember the original equation, F=d(mv)/dt, and the rest proceeds from there. Feb 18 '21 at 15:04
  • Thank you, this correctly answers my question. The only problem is that I want to use the code for a review for zbmath. I am not sure if they accept graphicx and bbm packages. Let me wait a while before accepting the answer to increase the chance of having new answer. Eventually, I accept the current answer if no new answer comes.
    – Name
    Feb 18 '21 at 15:07
  • @Name The \reflectbox is available in several packages, additionally, mathtools, and rotating, if that helps. Feb 18 '21 at 15:10
  • @Name If you are unable to use the bbm or dsfont packages, a cheap cheat for the digit 1 might be had with $\scalebox{1}[.91]{$1$}\mkern-5.2mu\scalebox{.5}[1]{$1$}$ (feel free to adjust parameters). This, however, still requires graphicx, mathtools, or rotating to accomplish. Feb 18 '21 at 15:20

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