9

I am looking for this symbol appearing in the original print of Gauss' doctoral dissertation:

dots

Any suggestions - either for where to find it, or how to "create" it through other ways? I have already looked at "The Comprehensive LaTeX Symbol List".

Note: this symbol is not a sort of relation between 1 and n, but denote a path from 1 to n, in the collected papers of Gauss it's written simply this way: 1...n

2
  • 1
    Look for "The Comprehensive LaTeX Symbol List" on CTAN, the list at OEIS, try at Detexify
    – vonbrand
    Mar 7 '20 at 12:53
  • 2
    already done...
    – user6530
    Mar 7 '20 at 12:57
14

Does this suit you? The comma in Palatino seems to have the desired shape. Some reflection and rotation allow to get the result.

\documentclass{article}
\usepackage{graphicx}

\newcommand{\INVCOMMA}{\scalebox{1}[-1]{\usefont{OT1}{ppl}{m}{n},}}
\newcommand{\INVCOMMAP}{\rotatebox{90}{\INVCOMMA}}
\newcommand{\INVCOMMAM}{\rotatebox{-90}{\INVCOMMA}}
\newcommand{\gaussfour}{\mathinner{%
  \ooalign{\raisebox{0.5ex}{\INVCOMMAP}\cr\raisebox{\depth}{\INVCOMMAM}\cr}%
  \mkern2mu
  \ooalign{\raisebox{0.5ex}{\INVCOMMAP}\cr\raisebox{\depth}{\INVCOMMAM}\cr}%
}}

\begin{document}

$i\gaussfour n$

\end{document}

enter image description here

4
  • 1
    It's perfect! Thanks
    – user6530
    Mar 7 '20 at 14:49
  • 1
    @user6530 You're welcome! Now that I saw your final note, I changed a bit for getting a better spacing.
    – egreg
    Mar 7 '20 at 14:53
  • 1
    That's really nice! +1!
    – Rmano
    Mar 7 '20 at 15:25
  • @Rmano I'm agree with you...wonderful!!!
    – Sebastiano
    Mar 7 '20 at 20:25

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