{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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1
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2answers
3k views

How to put therefore and implies symbols

\documentclass{article} \usepackage{graphicx} \begin{document} \vspace{\baselineskip}\noindent \textbf{THEOREM :} If an operator has both Left Identity and Right Identity then it is \emph{UNIQUE}. ...
3
votes
1answer
193 views

Making a thicker \cdot for dot product (that is thinner than \bullet)

I'm trying to replicate the dot that my professor uses in his notes for the dot product between vectors but I am having a hard time doing so. This is what it looks like: I have tried a couple of ...
21
votes
1answer
479 views

Shorthand for \leftarrow?

Just out of curiosity: As the command \rightarrow has the shorthand \to, is there a corresponding shorthand for \leftarrow?
8
votes
2answers
109 views

boldsymbol badly modifies spacing

In the example below, it is my feeling that \boldsymbol badly increases the horizontal spacing with the index: \documentclass[fleqn,11pt]{book} \usepackage{amsmath} \begin{document} ...
6
votes
3answers
742 views

Special Symbol “::=”

As the title says, does LaTeX have this special symbol: ::= I tried to look at some cheat-sheets and http://detexify.kirelabs.org/classify.html but could not find it.
2
votes
1answer
201 views

What's the best way to make a heart & butt in LaTex?

I want to use the symbol for heart (e.g.♥) and butt (i.e. the flipped version) in LaTex. I have the heart but I need the butt. Two ideas occurred to me: Find a butt symbol If none exists, flip ...
9
votes
5answers
2k views

Is there a \ding symbol for a house?

Is there a \ding symbol for a house? I need it for my CV, but can't find it. Thanks
3
votes
2answers
68 views

How to get the covering relation symbol?

I want    to denote the covering relation. I can't find this symbol in my standard sources for this sort of thing. Detextify has also failed in this. How can I get this relational symbol?
0
votes
1answer
91 views

What font or symbol is this in Latex? [duplicate]

Can anybody recognize the font or symbol for this . It is used as font for alphabetic letter S, in my text. I did check almost all fonts and symbols but couldn't succeed in finding a good match. I ...
22
votes
4answers
5k views

variable-sized “such that” pipe

I am looking for a pipe symbol that can be made to vary in height automatically. One of the common ways of writing "such that" in mathematics is with the pipe symbol (|). The pipe can be represented ...
3
votes
3answers
4k views

Using \Letter symbol in ifsym package

Here is what I did: I downloaded ifsym package from MiKTeX Package Manager. (MPM) I added the line to my .tex file: \usepackage{ifsym} I tried typing \Letter in the document. but it doesn't ...
12
votes
4answers
489 views

\wedge and \vee juxtaposed in one symbol

How can I combine the symbols \wedge and \vee into one symbol, like \wedge\vee and \vee\wedge? I am thinking of something like \gtrless but rotated by 90 degrees. The purpose is similar to the \pm ...
5
votes
2answers
132 views

\scriptstyle placement fine tuning

I need a functional composition operator. I find \circ too big for it, so I've declared a math operator (within the amsart documentclass) as \scriptstyle\circ instead; the size is exactly what I would ...
6
votes
2answers
137 views

AT sign in the nomenclature

I'm using the nomencl package. I need to make an entry that contains the at symbol but entries containing @ don't appear in the nomenclature. \usepackage{nomencl} ... ...
5
votes
1answer
80 views

Missing colon in mathtime

I have got MathTime Fonts installed and can get the math letters correct, but several signs like :, [ and ] are missing. They appear to be declared in mathtime.sty file, but do not appear in the ...
4
votes
1answer
57 views

\textasteriskcentered invisible with [garamond]{mathdesign}

Please try this MWE: \documentclass{article} \usepackage[garamond]{mathdesign} \usepackage{roboto} % or another sans serif font, e.g. the cabin package \usepackage{blindtext} \begin{document} Centred ...
11
votes
2answers
705 views

How to change operator symbols in truth table

I need to type truth tables for my computer architecture classes. Until now I was using a manually typed tabular but today I've found this answer from Scott H. which provides a command called ...
4
votes
0answers
31 views

how to support the special latex characters in Matlab plot title [duplicate]

I'm trying to type \digamma. In latex, this character is supported in \usepackage{amssymb}. In Matlab, I can set the interpreter to be Latex as follows Figure1=figure(1) ...
0
votes
1answer
68 views

Titlingpage thanks footnote symbols show last symbol only (memoir class) [duplicate]

I have a question regaring the titlingpage environment of the memoir class. I use \thanks multiple times on the title page, but the footnote symbol marks are all the same (the last symbol, which in my ...
3
votes
1answer
339 views

omicron not working in LaTeX

I find out that \omicron is not working in LaTeX, at least for the latest MacTeX I installed. MWE: \documentclass{article} \begin{document} \( \omicron \) \end{document} From List of Mathematical ...
5
votes
3answers
1k views

Unusual custom math accent

I want to introduce a new type of math accent that is basically an overbar, but also has small (scriptscriptsize?) text set to the right of the bar. Basically something like $\bar{A}^{\mathrm{co}}$ ...
1
vote
1answer
172 views

Undefined control sequence for beta symbol list

I am new to Latex, please help me! I would like to give a beta symbol with a sequence of values as below. \boldsymbol{\beta} = (\beta_1,\beta_2,\dotsc,\beta_n) output looks promising. β = (β1, ...
5
votes
2answers
252 views

Simple partial derivative problem

I have a simple problem with partial derivative symbol, it doesn't work if I try any of these commands: \partial \pdiff \pder I use sharelatex, and in other projects I could use the \partial symbol. ...
5
votes
2answers
113 views

latex thorn sans serif symbol in math mode

I am studying theory at university, and the lecturer uses this symbol for elementary probability: I want to use it in math mode, but the best suggestions I got from ...
6
votes
2answers
163 views

Joint-Life First-Survivor Insurance Symbol

I get an error when trying to produce the following symbol: Command \scriptsize invalid in math mode. I'm not sure how to get around it in this case after doing some searching... MWE: ...
4
votes
1answer
40 views

# in url in amsrefs

I want to include a reference to a web page using amsrefs and the webpage bibliography entry type. The url has a # in it. A error message is issued, but after entering scroll mode, it is typeset ...
2
votes
1answer
93 views

Accessing archaic Greek Koppa in the birkmult document class

I will be submitting the final version of an article to Birkhauser using the required birkmult document class. ...
6
votes
2answers
260 views

How can I write a spiral symbol?

How can I get a spiral like There seems to be a spiral-like unicode codepoint: http://www.fileformat.info/info/unicode/char/aa5c/index.htm I tried \documentclass[varwidth=true, ...
4
votes
2answers
1k views

How to draw a DC motor in circuitikz

I'm using circuitikz to create an electric circuit diagram. I'd like to draw a DC motor like this: or this one: It looks like there's no symbol for motors in circuitikz. I'm using ...
6
votes
3answers
18k views

latex symbol for “if and only if” [duplicate]

In LaTeX the symbol for material implication is produced by $\to$, but for biconditional ?
45
votes
3answers
71k views

Escape character in LaTeX

I need to output the below text but since \ is a special character, I cannot: [RegularExpression(@"\d+")] Also sometimes I need use dollar sign $ as well but it seems to be a special char, too. ...
2
votes
1answer
140 views

Changing notation within a subsection LaTeX

I was just wondering if there was a quick fix for this problem. Essentially I have a subsection of my thesis written up with the variable $\xi$ appearing everywhere. To be consistent with the rest of ...
0
votes
1answer
160 views

How to write Mathematical expectation and Probability in the following form

What commands should I use to type the following operators and ?
11
votes
1answer
141 views

Why does fontspec interact with the footnote marks of the \thanks command?

I have discovered a behavior that I cannot explain. When compiling the MWE \listfiles \documentclass{article} %\usepackage{fontspec} \title{foo\thanks{bar}} \author{baz\thanks{qux}} ...
11
votes
6answers
13k views

A symbol for the quotient of two objects

One needs often a symbol to denote the quotient of two (algebraic) objects. (e.g. quotient by a subgroup, subring, submodule etc.). In simple cases people use A/B. But when both A,B are complicated to ...
0
votes
0answers
29 views

latex Maya numbers error [duplicate]

I found an error for the current Maya numbers generated by LaTeX: Here is the LaTeX code \documentclass{article} \usepackage{mathabx} \newcommand\mathbfont{\usefont{U}{mathb}{m}{n}} ...
19
votes
4answers
4k views

Placeholder for variable as in f(x, .)

What is the best/the usual way to typeset a placeholder for a variable in an equation? Specifically, I want to do something like g = f(x, .) (which of course means that g is defined by g(y) = ...
7
votes
1answer
181 views

Arabic with Latin mathematical notation

I would like to write math formulas to look like the picture below: I have the following segement of code, for example \documentclass[10pt,a4paper]{report} \usepackage{amsthm} ...
0
votes
1answer
88 views

Is there a trident symbol in LaTeX? [duplicate]

I would like a trident symbol but there none to be found. The closest symbol I know is \neptune using the wasysym package. But it is not very nice (too 'ornamental' to my taste). Do you know some ...
8
votes
3answers
2k 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 ...
1
vote
1answer
44 views

Longstep arrow in formula

I want to include this kind of an arrow with a label above it. I vaguely remember it being called longstep in latex. I am unable to find any packages that have such an arrow. Can anyone help?
5
votes
3answers
801 views

Creating a \precneq symbol

Going through the comprehensive symbols list, and also Detexify, we see that through various packages (mostly amssymb) we can get the symbols \prec Precedes. Unicode U+227A: ≺ \preceq Precedes or ...
1
vote
1answer
149 views

What's the symbol for the curly D used to denote a dissection for a Riemann integral? [duplicate]

In an analysis lecture today the lecturer used the following curly D symbol to denote a dissection (for a Riemann integral): How can I get this symbol with LaTeX? I've tried to find it in the ...
2
votes
1answer
73 views

Glossary entry with extra parameter

I want to create a list of symbols for my work, where the symbols are often provided with an index. Now I do not want to create a new entry for each symbol and index. Is it possible with another ...
3
votes
2answers
105 views

Precedes Or Not Equal To Symbol

This question is related to Element of or Equal To Symbol and Creating a \precneq symbol. From those pages, I learned about the mathabx package and its \precneq symbol. However I noticed that it uses ...
20
votes
6answers
1k views

What is the LaTeX symbol for “forking independent” (model theory)?

I am looking for a way to set the symbol for "forking independent" (for example, see "Essential Stability Theory", Steven Buechler, p.217). It looks a bit like an anchor or an upside-down 'T' with a ...
7
votes
1answer
216 views

What does mathchar do?

The package cmll defines \with (looks like '&') as $ texdef -t latex -p cmll with \with: \mathchar"2026 \the\with: 8230 When I take a look at \& it is defined as texdef -t latex \& ...
1
vote
1answer
51 views

symbol mu with specific format [duplicate]

look at symbol in the first line as you seen that symbol I think it's mu symbol how I can't show this symbol using latex
10
votes
2answers
2k views

How to get double angle bracket without using MnSymbol package?

I tried the \llangle and \rrangle from the MnSymbol package, which is OK. But the package also changed other things which I do not want.
4
votes
1answer
819 views

Arrow in text mode

Is there a way to write the equivalent of \rightarrow in text mode? I tried → but it threw an error, and the math arrow complained about bad environment. It doesn't need to be exactly the same ...