Typesetting “hollow slash” be agico fo toh32ostm.jrchfcaate ne thman2.0d H
4
How can I typeset the hollow forward and backward slashes (in mathmode) as used in the attached image? They need to be used alongside normal forward and backward slashes.
symbols
asked 11 hours ago
mattghgmattghg
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2 Answers
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9
You can use \\holwd to set the gap.
\\documentclass[12pt]{article}
\\usepackage{stackengine}
\\newcommand\\hollowslash{\\setbox0=\\hbox{/}\\def\\holwd{3pt}%
\\stackengine{-.3pt}{/}{\\rlap{\\kern-1pt\\rule{\\holwd}{.4pt}}}{O}{r}{F}{F}{S}%
\\kern\\dimexpr\\holwd-\\wd0-.2pt\\relax%
\\stackengine{-.4pt}{/}{\\llap{\\rule{\\holwd}{.4pt}\\kern-1pt}}{U}{l}{F}{F}{S}%
}
\\newcommand\\hollowbackslash{\\setbox0=\\hbox{\\textbackslash}\\def\\holwd{2.8pt}%
\\stackengine{-.4pt}{\\textbackslash}{\\rlap{\\kern-1pt\\rule{\\holwd}{.4pt}}}{U}{r}{F}{F}{S}%
\\kern\\dimexpr\\holwd-\\wd0-.2pt\\relax%
\\stackengine{-.3pt}{\\textbackslash}{\\llap{\\rule{\\holwd}{.4pt}\\kern-1pt}}{O}{l}{F}{F}{S}%
}
\\usepackage{amsmath}
\\begin{document}
$C\\hollowslash(A\\hollowbackslash B)$
\\end{document}
If you don't mind loading the graphicx package, you can use \\reflectbox to cut down on the code. Here it is with \\holwd set to 2pt:
\\documentclass[12pt]{article}
\\usepackage{stackengine}
\\newcommand\\hollowslash{\\setbox0=\\hbox{/}\\def\\holwd{2pt}%
\\stackengine{-.3pt}{/}{\\rlap{\\kern-1pt\\rule{\\holwd}{.4pt}}}{O}{r}{F}{F}{S}%
\\kern\\dimexpr\\holwd-\\wd0-.2pt\\relax%
\\stackengine{-.4pt}{/}{\\llap{\\rule{\\holwd}{.4pt}\\kern-1pt}}{U}{l}{F}{F}{S}%
}
\\newcommand\\hollowbackslash{\\reflectbox{\\hollowslash}}
\\usepackage{amsmath,graphicx}
\\begin{document}
$C\\hollowslash(A\\hollowbackslash B)$
\\end{document}
answered 11 hours ago
Steven B. SegletesSteven B. Segletes
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Great and fantastic! – Sebastiano 11 hours ago
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Interesting, but I don't understand why your
\\dimexprworks. Isn't a\\relaxat the end a required part of the syntax? – Harald Hanche-Olsen 9 hours ago -
1@HaraldHanche-Olsen I should add it, but I don't believe it is mandatory unless I start nesting things. The reason it is best practice is to cover those situations when you don't know in advance what will follow. If what follows just happened to be
+3pt, that would get sucked into the\\dimexprunexpectedly. I knew that\\stackengine, which actually follows the dimensional calculation, would not be confused for a dimensional operation. – Steven B. Segletes 8 hours ago -
2OK. I just looked it up, and it says
\\dimexpr⟨dimen expr⟩⟨optional spaces and\\relax⟩, which makes it clear that the\\relaxis also optional. I have clearly been too hasty reading the docs. – Harald Hanche-Olsen 8 hours ago -
1@HaraldHanche-Olsen It is certainly a best practice, and I will make an edit. – Steven B. Segletes 8 hours ago
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7
These symbols are defined by the stmaryrd package under the names \\fat(b)slash (the spacing for \\fatslash is not so good):
\\documentclass{article}
\\usepackage{stmaryrd}
\\begin{document}
\\[ A\\fatbslash B\\qquad C \\fatslash D \\]
\\end{document}
Edit: as suggested by @AndrewSwann, we can have a much better spacing for \\fatslash using this code:
\\documentclass{article}
\\usepackage{stmaryrd}
\\newcommand{\\myfatslash}{\\mathbin{\\mkern-6mu\\fatslash}}
\\begin{document}
\\[ A\\fatbslash B\\qquad C\\myfatslash D \\]
\\end{document}
answered 10 hours ago
BernardBernard
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2+1 The spacing can be helped with
\\newcommand{\\myfatslash}{\\mathbin{\\mkern-6mu\\fatslash}}– Andrew Swann 8 hours ago
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stmaryrdhas\\fatslashand\\fatbslash, but I can never remember how it interacts withamssymb. – campa 11 hours agolatex double slash symbol. – albert 11 hours ago\\fatslash. The glyph isn't at all centred in its box: there is a huge space on the left, and the glyph protrudes on the right. That's quite strange... – campa 10 hours agostmaryrdplays well withamssymb. Agreed, the bounding box is very strange. – Andrew Swann 8 hours ago