{symbols} is about specific non-alphabetic symbols or math symbols, e.g., about looking-up, constructing, or using symbols. For questions about {fonts} or alphabetic {characters} use the respective tag instead.

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2
votes
3answers
141 views

LyX: How to combine two math symbols? [duplicate]

I'm a new user of LyX. I'm using it to write math lectures. How can I make a new symbol from two existing ones? To be more precise, how can I create this: It's a subset with a circle in it ...
2
votes
0answers
72 views

list of symbols with nomencl

How to create both list of abbreviations and list of nomenclature using nomencl package? i found this old question but it doent really help me. I have the problem that i have a nomencl package ...
0
votes
1answer
86 views

Copy/paste an existing (Word *.doc) 'pretty looking' bibliography into LaTeX

How can I add the list of references into LaTeX? I have a formatted references list in Word and would like to use it in LaTeX. I do not need the connections/the reference in the text itself (cite). ...
35
votes
6answers
3k views

\subseteq + \circ as a single symbol (“open subset”)

I'm trying to create symbols \opn for "open subset" and \cls "closed subset". I want them to look like this: My current solution is: ...
2
votes
2answers
226 views

Avoiding math mode inside a lstlisting

I'm using listings to highlight some PHP code. My problems comes when the code to insert contains the '$' symbol, for example: \begin{lstlisting}[style=PHP] Select * FROM users WHERE user_name = ...
8
votes
2answers
3k views

Why is \mid so called?

The LaTeX commands \mid and \vert may be used to make a vertical bar. I can appreciate that \vert is short for vertical, but why \mid? Is it short for middle? and if so, middle of what?
3
votes
2answers
80 views

Non-commutative fractions

There are symbols for non-commutative fractions? I know \holter and \polter (see here), but they are very ugly (lateral lines are too long for my taste) Edit: By non-comutative fraction I mean a ...
2
votes
2answers
233 views

Undefined control sequence \oiiint [duplicate]

I am trying to generate the triple integral in the following equation (The preamble is large, due to other requirements) \documentclass[11pt,headings=small,fleqn]{scrreprt} % highest level is chapter ...
31
votes
3answers
33k views

\Rightarrow vs. \implies, and “does not imply” symbol

Is it better to use \Rightarrow or \implies to symbolize logical implications? Why? Also, if I write \not \Rightarrow, I get a symbol that means "does not imply." But if I type \not \implies, it ...
4
votes
3answers
73 views

How do I center and scale vertical harpoons?

I need to create something very much like this: However, I'm having trouble scaling the vertical harpoons to make them look right with the rates on either side. For the horizontal harpoons I'm ...
301
votes
9answers
357k views

How does one insert a backslash or a tilde (~) into LaTeX?

How does one insert a "\" (backslash) into the text of a LaTeX document? And how does one insert a "~" (tilde)? (If you insert \~, it will give you a tilde as an accent over the following letter.) ...
11
votes
4answers
8k views

Reduce size of \bullet character in lists

Example for a list using mdwlist: \begin{itemize*} \item First \item Second \end{itemize*} The bullet symbol for the first level can be redefined with: \renewcommand{\labelitemi}{$\bullet$} It ...
4
votes
1answer
109 views

convex concave sign in tkz-tab

I'm a newby with both tkz-tab and tikz. I'd like to use tkz-tab to present the analysis of a function. Is there a way to draw symbols for convex and concave that span over the whole diagram's cell, ...
6
votes
2answers
525 views

What command to use for reversed $\vDash$?

I want to use a symbol similar to $\vDash$ but reversed (like if it's mirrored against an imaginary vertical line). I cannot find such a symbol anywhere. I have used detexify too but no luck ...
4
votes
2answers
156 views

Logical equivalence vDashv

I need to create a symbol logical equivalence. Contact vDash with appropriate vertical line, but I can not find any. Can you advise?
9
votes
1answer
214 views

Partial derivative with rightleftarrow on top of it

How can I write a partial derivative with an arrow on top of it (pointing to the left and right)? For instance: I've tried to Google it, but couldn't find anything (probably because I'm not sure ...
7
votes
2answers
102 views

How to get a medium-sized otimes

What is a good way to get an O-times between the sizes of \otimes and \bigotimes? I should add that I want it to act as a math operator as in \bigotimes (so that I can use subscripts below it.) I ...
3
votes
0answers
70 views

How do I automate writing list of symbols in my masters thesis?

I'm using documentclass{article}. I have symbols, both in inline text and inside equations. How can I automate the process of listing them?
8
votes
2answers
628 views

A conditional independence symbol that looks good with \mid?

I would like to typeset some expressions involving conditional independence. Here is an example of what I'm aiming for (from Judea Pearl's classic text on causality): In this question and its ...
4
votes
1answer
76 views

Add keys to table (with picture and code) [duplicate]

As you see in the red part of the picture, I would like to add keys to explain what the brackets stand for. I just added this with paint, but is there a way to do this in tex? Also, are there nicer ...
5
votes
0answers
393 views

Angle symbols in LaTeX

I will write a lot about Euclidean Geometry the next time. This means I need to denote angles. The symbol we use in class looks like \sphericalangle, but I've just seen that there is an \angle symbol ...
9
votes
2answers
399 views

Define a math symbol relative to font size

Idea All characters, including the new defined symbol (here an arrow), should scale related to the current font size, e.g. here 12pt. Implementation I would like to define an arrow similar to here. ...
4
votes
2answers
76 views

How to use \left and \right inside text environment

I would like to know how to use the \left and \right options in the text environment. This is what I am trying to do: \left( when factorizing $e^{-2000t}$\right) As you can see, I am trying to make ...
11
votes
1answer
141 views

Identifying Mystery “R” Symbol

Does anybody know how to typeset the "R" looking symbol on the very left of the image below in latex? I used Detexify and looked through the comprehensive list with no luck. It appears in a table ...
22
votes
1answer
5k views

\varepsilon vs. \epsilon

I cannot remember anyone writing the letter epsilon in any other way than \varepsilon in any math class; but in LaTeX \epsilon and \varepsilon are different symbols. Do anyone of you know why there ...
2
votes
1answer
84 views

The history behind the broken epsilon [duplicate]

In LaTeX, there are two epsilons: \varepsilon and \epsilon. When I see the second one used in mathematics texts, I consider it a typo, because the first one corresponds to what is used in the ...
5
votes
1answer
60 views

a single wrong character in a font

I am writing some code using unicode and my chosen font works out great for me with the exception of for some reason the font uses an italicised dollar sign instead of the sign for GBP. Is this a bug ...
2
votes
0answers
41 views

compute position of each symbol [closed]

I've created a program that generates clickable areas on images with HTML5, taking as input a series of coordinates. Now what I'd like to do is send to that program a .png of a LaTeX expression ...
9
votes
3answers
287 views

Symbol request for a mysterious symbol

Is there a symbol that looks like the element sign $\in $ but instead of being curved, looks more like a less than sign $< $? I have trawled through hundreds of symbols and tried detexify.
0
votes
0answers
89 views

Add more symbols on Latex panel in TexShop on Mac OSX

I am using TexShop on my Macbook Pro. The Latex panel in TexShop doesn't contain lot of symbols like in TexStudio as evident from the above picture. So please suggest how to add more symbols on the ...
5
votes
3answers
118 views

Symbol for logical equivelence

I'm trying to use this symbol in a LaTeX document I'm writing but I can't for the life of me, find how to write it in LaTeX: The symbol means that two expressions are logicically equivalent (i.e. A ...
0
votes
1answer
79 views

How can I represent these symbols?

Can someone tell me how to write these symbols in LaTeX?
5
votes
1answer
73 views

missing angle brackets using newpxmath

The newpxmath package (version 2013/12/12 v1.061) makes angle brackets vanish from math mode: \documentclass{standalone} \usepackage{newpxmath} \begin{document} $\langle x \rangle$ \end{document} ...
3
votes
3answers
930 views

How to write upper case \varepsilon in LaTeX math environment?

I need the uppercase of this sign $\varepsilon$ how to I get that?
0
votes
1answer
33 views

Findig the latex-command for a character [duplicate]

How can I write in latex? Which command should I use?
3
votes
2answers
67 views

inserting symbols in ieee paper

I want insert some symbols like A' and "BACK" in certain parts of the document.I tried to do it by A\' and \"BACK\" but returned with errors. How to insert this extra symbols The next problem is hoe ...
26
votes
6answers
15k views

Typesetting of negative versus minus?

I've occasionally seen a negative (when a number is simply negative, not a subtraction), typeset as negative sign that's slightly skinnier and above the centre line of text. Is this proper notation ...
0
votes
1answer
83 views

Acknowledgements footnote

I am trying to get a * instead of an arabic numeral for my acknowledgements footnote. I am using the template that the conference organizers provided and for some reason neither \author nor \thanks ...
7
votes
1answer
128 views

How do I make a dashed or dotted checkmark?

How do I get a dashed or dotted checkmark in LaTeX (either math mode or text mode is fine). I'm looking for a symbol approximately like
4
votes
2answers
166 views

Creating a edge-trigger symbol in LaTeX

Does anyone know how to create an edge-trigger symbol in LaTeX? I need to to show that some thing activates on the negative clock edge of a signal, but in a paragraph, not in a timing table.
4
votes
1answer
132 views

Symbols of height intermediate between \big and \Big needed

I consistently find that math symbols scaled with \big/\bigl/\bigr are too small and those scaled with \Big/\Bigl/\Bigr are too tall. Here is an example: \documentclass{article} ...
10
votes
2answers
192 views

Fuzzy logic operator symbols

How can I write in Latex symbols for standard or Łukasiewicz conjunction like these? Thank you
10
votes
4answers
965 views

a small halo symbol

One can generate an oval shape using $\subset\supset$ and adjusting the space in between to make this look like a "halo". Are there any other solutions that would make it look more like an ellipse? I ...
4
votes
2answers
405 views

LaTeX symbol for “\leftrightarrow” with “\triangleq”

In LaTeX, does it exist any symbol for
12
votes
4answers
929 views

Vertical double asterisk that aligns well with the double dagger

The LaTeX text footnote symbol sequence begins with ∗ † ‡ § ¶ ∥. I'd like to define a vertical double asterisk ⁑ (\textastdbl) so that I can insert it into the sequence: * ⁑ † ‡ § ¶ ∥ (note: actual ...
4
votes
2answers
200 views

\overline and \widehat with subscript

I would like to create commands to produce overlines (respectively wide hats or arrows) with a subscript at the end. The commands \overline{X}^{1} \widehat{X}^{2} \overrightarrow{X}^{3} do not ...
9
votes
1answer
200 views

Searching for Euro symbol

I found egreg's answer to the question "eurosym seems to not be working" some time ago and it works perfect if I compile using pdflatex, but if I compile using latex dvips ps2pdf the Euro symbol is ...
5
votes
1answer
142 views

Can I prevent a package from redefining a command?

I like to use runes and letters from other non-standard alphabets as mathematical symbols. However, now the allrunes package is interfering with my other mathematical typesetting. Take this minimal ...
7
votes
1answer
156 views

How do I get the alternate “g” glyph on Open Sans?

I'm trying to specify the alternate "g" glyph provided by opensans (using pdflatex) but can't find instructions anywhere in the documentation on how to do that. I'd like to use alternate throughout my ...
11
votes
3answers
243 views

Semicolon in set-builder notation

What is the best way to type ";" in the set-builder notation? I think \{\, x \in X \mid P(x) \,\} is a common way to type the set-builder notation. Someone use ":" instead of "|". Anyway, these ...