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I need a \leq symbol underlined like the symbol \leqslant (in order to obtain a sort of \lessim version of \leqslant)

That is, with the \sim parallel to the bottom part of \leq (and as well integrated as possible).

enter image description here

Do you know whether such a symbol already exists or is easy to obtain?

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  • 2
    With other words, the \sim symbol should be slanted as well or should should have the same slope as the <?
    – user31729
    Mar 19, 2017 at 9:16
  • Probably , I did not explain properly. I updated the question with an image. Sorry.
    – suitangi
    Mar 19, 2017 at 9:29
  • Yes, that's what I meant with my proposition
    – user31729
    Mar 19, 2017 at 9:51

1 Answer 1

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Here is a solution using stackengine and graphicx. Probably you should scale the whole operator down a little bit, but it does what it should be.

If you want this as a macro just do \newcommand\myop{\ensuremath\mathrel{\raisebox{1pt}{\stackunder{$<$}{\rotatebox{-27}{\resizebox{7pt}{2pt}{$\sim$}}}}}}.

mathop

\documentclass{article}
\usepackage{amsmath,amsfonts,amssymb,stackengine,graphicx}
\setstackgap{S}{-1.5pt}

\begin{document}

$a \mathrel{\raisebox{1pt}{\stackunder{$<$}{\rotatebox{-27}{\resizebox{7pt}{2pt}{$\sim$}}}}} b$
$a \leqslant b$
$a \simeq b$

\end{document}

Update: Use \boldsymbol{\sim} with a resizebox of 6.5pt instead (as the OP himself/herself suggested) and the output will look nicer.

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  • Probably , I did not explain properly. I updated the question with an image. Sorry.
    – suitangi
    Mar 19, 2017 at 9:29
  • @CarLaTeX No, rather \mathrel, but I will add this in a moment.
    – TeXnician
    Mar 19, 2017 at 10:31
  • @CarLaTeX You're right, much better now.
    – TeXnician
    Mar 19, 2017 at 10:33
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    @CarLaTeX I think that \leqslant is horrible; the proposed symbol is even uglier. ;-)
    – egreg
    Mar 19, 2017 at 10:54
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    @egreg we're looking forward to yours!
    – CarLaTeX
    Mar 19, 2017 at 10:59

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