{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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28
votes
2answers
39k views

How do I make the 'such that' symbol from Set Theory?

I am looking for the 'such that' symbol in set theory. I don't know what it's called so I'm not sure how to look for it. For the moment, I am just using this '|'. What is the appropriate symbol?
5
votes
1answer
430 views

Is there an upside-down version of the symbol for $\pi$?

I have been looking at the Comprehensive list of Latex symbols, but can not seem to find an upside-down letter $\pi$. Is there a package that I need to add so that a command like $\copi$ or $\invpi$ ...
8
votes
1answer
2k 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 ...
1
vote
1answer
45 views

\int command skipped in compilation [closed]

If I am writing like this: \int_a^b or \int_{a}^{b} it skip the \int and writing only a to the power b but when I am writing only \int without limits it is showing the following error: ! Missing \...
10
votes
4answers
3k views

Inserting slashed zero in non-OpenType supporting LaTeX

Is there a slashed zero symbol in the standard LaTeX font that's accessible with pdflatex et al? I greped through the comprehensive symbols list a bit but didn't spot anything. In XeLaTeX I can use ...
3
votes
3answers
840 views

How to use \polishhook symbol

I need to insert polish hook into latex document. Using comprehensive package I found, what \polishhook{E} is supported by wsuipa font package and \polhk{E} is supported by mathscinet package. There ...
2
votes
1answer
297 views

What is the symbol of end of a proof?

I'm trying to put a black square at the end of a proof, but is not the same as LyX gives me (when I choose "proof" at the menu). It's different from the \blacksquare command (see pic below). The ...
0
votes
0answers
41 views

Xymatrix crossed arrow

I would like to reproduce this figure using xymatrix package, i have encounter difficulties in scaling and in drawing an X cross in the down left arrow. Thanks
0
votes
0answers
28 views

How to make the “doesn't divide” symbol in ShareLaTex [duplicate]

a divides b , $a \mid b$ \\ a doesn't divide b , $a \notmid b$ \\ a doesn't divide b , $a \notbackslash b$ I get ab without a crossed out vertical bar between the ...
4
votes
1answer
95 views

Use of ~ (\tilde) on the top of Capital letters

For small letters a,b,c,d, we can put ~ on the top of these letters by \tilde{a}, \tilde{b}, \tilde{c}, etc. and they are clearly visible in the output. But, while putting them on Capital letters ...
2
votes
3answers
237 views

How to implement this symbol in LaTeX? [duplicate]

I wanted to do the sigma enclosures in the below shown equation correctly. Actually this is also expectation symbol, right? I don't know it's name.
3
votes
1answer
38 views

How to attach properly spaced subscripts to a rotated symbol?

I'd like to attach letters to my rotated symbol and then shrink it down. However, when I do this, the spacing is very much different than when I do the same exact thing to the original symbol. Is ...
3
votes
2answers
61 views

Writing English phonetic symbols when using a different language package

I'm writing a document in Spanish language, and I'd like to introduce English phonetics for some words. Is it possible to do so? I've tried this: \documentclass{article} \usepackage[T1]{fontenc} \...
2
votes
0answers
42 views

glossaries \glssymbol shows the latex command instead of the symbol [closed]

I am trying to use the glossaries package to create a list of symbols. I've almost succeeded, but I run into a strange error. Here is a minimal working example: \documentclass{report} \usepackage{...
5
votes
1answer
23k views

Any reason why \blacksquare and \box are causing errors?

I am using the amsmath package. I just want a black box at the end of a proof, right-justified. \blacksquare and \box both cause errors. Actually, I'd prefer a musical quarter note if that's ...
3
votes
2answers
231 views

Marvosym in moderncv

I am trying to use marvosym symobl for Email and telephone but with this code \documentclass[11pt,% % corpo del font: ci sono anche '10pt' e '12pt' a4paper,%...
151
votes
4answers
258k views

Why do the less than symbol (<) and the greater than symbol (>) appear wrong as upside down exclamation (¡) or question mark (¿)?

When typing < or > in LaTeX and compiling with pdflatex, the less than and greater than symbols appear at upside down exclamation points. I'm not in math mode.
2
votes
2answers
61 views

how to put symbol on top of tensor product

How do I put a $\frown$ right on top of $\otimes$? I tried \stackrel but it leaves too much space between symbols.
5
votes
3answers
542 views

How to write a sentence full of symbols

I just started using LaTeX and I have a problem including this in my file: X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H* is there some kind of a "de-specialized" environment?
2
votes
1answer
504 views

how to insert an upside-down triangle?

I tried inserting an upside-down triangle with \triangledown but even when I put the two $ signs around it, I keep receiving an error. Does anyone know how to insert such special characters?
8
votes
1answer
396 views

How can i prevent LaTex from converting a apostrophe combination to this weird character?

I want to write this But it becomes to this in the resulting PDF file How can i prevent LaTex from converting the apostrophe combination to this weird character?
0
votes
1answer
67 views

LaTeX Symbols do not work any more [duplicate]

my problem should be fairly simple but I am a LaTeX Noob... :) Using WinEdt 10 under Windows 7, compiling with PDFTeXify (standard). If I use basic symbol commands like \pi or \leftrightarrow, no ...
5
votes
1answer
86 views

Pounds symbol problem

\documentclass[12pt,addpoints,answers]{exam} \usepackage{amsmath} \usepackage[T1]{fontenc} \usepackage[math]{iwona} %nice font \begin{document} \begin{questions} \question[5] \pounds2600 \...
2
votes
2answers
112 views

combination of macron and breve diacritics

I try to combine the macron and the breve accent. This post already helped me to get a good adaptive macron, and the \u command produces a nice breve, but I have problems combining them. How can I ...
2
votes
3answers
102 views

convert LaTeX symbols into svg files using font files directly

Is there a programmatic way of converting a set of LaTeX symbols into a set of svg files using the font files directly? In particular, I would like to create svg files for some of the symbols that are ...
8
votes
2answers
1k views

Bitcoin symbol in LaTeX

How do I write the Bitcoin symbol in LaTeX? Abusing Unicode, "B⃦" can be used in normal text files. I'm not a fan of writing non-ASCII in LaTeX, as you can run into all sorts of encoding issues. ...
2
votes
1answer
75 views

How to get this symbol about normal group?

General input normal group use $\unlhd$ or $\trianglelefteq$, I want to get the two symbols in LaTeX: (I see it at P.Grillet. "Abstract Algebra". 2nd ed, GTM242) It's like another symbol $\...
4
votes
2answers
6k views

Delta-equal to symbol [duplicate]

How do you write the equal-to symbol with delta on top ("delta-equal to")? One similar to http://www.decodeunicode.org/de/u+225c. Are special packages required for that? It is supposed to be used for ...
7
votes
4answers
254 views

How to make an operator (not relation) = sign

I am formatting a long formula (the result of a computation) using breqn. It looks great if I replace the = sign with an operator like \times. But when I put the = in, I don't like the output. I ...
4
votes
2answers
54 views

Vertically align $\bullet$ marker with \blacksquare marker in text

I use bullets and squares to reference samples in an image. This is how I use them in text: $\bullet, \blacksquare$ {\LARGE$\bullet$}, $\blacksquare$ {\huge$\bullet$}, $\blacksquare$ And this is ...
0
votes
2answers
183 views

Ampersand like symbol latex

What is the name of this symbol, and how to make it in latex ?
13
votes
2answers
1k views

Backwards-z symbol

I'm looking for a "backwards-z" symbol in the sense that \times is an "x" symbol. Truly, I'm looking for an \hourglass (aka \udtimes) symbol that is missing one diagonal line. Ultimately, I will use ...
1
vote
1answer
59 views

How do you write the double turnstille & its negation in ShareLaTeX?

I think the code for the double turnstile is \vDash and the code for its negation is \nvDash. Neither of these commands work for me in ShareLatex. I enter them, hit recompile and nothing appears. ...
4
votes
2answers
170 views

How to add overline on top of $\bm B$?

I represent a matrix in bold form throughout my paper, as $\bm B$. I need to add an overline to indicate a subtle transformation to this matrix. However the command $\overline{\bm{B}}$ does not seem ...
4
votes
2answers
89 views

Fraktur (using yfonts): Specific quotation marks and semicolon

I'm currently using yfonts package for Fraktur hand and want to achieve a style as close to this as possible. While most characters seem sufficient to me I'm especially unhappy with quotations marks (...
3
votes
1answer
165 views

Adjunction symbol in commutative diagram

I'm writing about Category theory using tikz-cd and have a pair of adjoint functors, which is usually denoted by $F\dashv G$ I would like to have this \dashv symbol in a commutative diagram like ...
15
votes
2answers
32k views

Is there a way to produce this division symbol? ÷

Is there a way to produce this division symbol? ÷ The term \div gives an error of Missing $ inserted. \÷ is not working either.
1
vote
1answer
34 views

Omit page number in list of symbos using nomencl [duplicate]

I'm typesetting a thesis using a custom class based on book class and to meet the university requirements, all pages in frontmatter must not show the page numbers but must be counted, starting at the ...
7
votes
4answers
839 views

Pigpen-like symbol for =

I would like to use symbols which look like the pigpen cypher symbols One symbol I need consists of the two horizontal edges of the square, and the other has the vertical edges in it. I cannot just ...
1
vote
1answer
51 views

Modifying the symbol for non-forking

I want to modify the following lines of code \documentclass{article} \usepackage{amsmath,amssymb} \def\forkindep{\mathrel{\raise0.2ex\hbox{\ooalign{\hidewidth$\vert^{d}$\hidewidth\cr\raise-0.9ex\hbox{...
1
vote
0answers
48 views

Why are missing characters reported as warnings and not errors?

In the following example, the PDF compiles without error using xelatex: \documentclass{article} \usepackage{fontspec} \usepackage{xunicode} \usepackage{polyglossia} \setdefaultlanguage{english} \...
1
vote
1answer
53 views

How to create a variant of “\leadsto” symbol with bigger arrow tip?

I want to create a variant of the "\leadsto" ($\leadsto$) symbol with bigger arrow tip, for example, like the arrow tip of $\Leftarrow$. I tried to look at a comprehensive list of Latex symbols but ...
3
votes
2answers
115 views

Ampersand symbol algorithm environment

How to make a "normal" looking ampersand symbol within the algorithm environment? I'm using \& but this results in a strange looking character as shown below: Here is a minimal example how I ...
6
votes
3answers
3k views

Problem with \leq displaying as \leqslant

I assume it has something to do with my custom macro package, but I'm not really sure. I've just noticed that all of my \leq display as \leqslant the only thing that I could think would effect it is ...
2
votes
1answer
76 views

Command for > and < in mathmode [closed]

I am using LaTeX but embedded in XML. I would like to not have to use > and < directly inside the LaTeX parts. On the other hand, I would like to not have to write them as HTML entities (&...
50
votes
3answers
63k views

Label equation with a symbol

I would like to label an equation with an arbitrary symbol, rather than a number, or letter. Is this possible?
47
votes
3answers
81k views

How to get “LaTeX” symbol in document

I want to get that fancy LaTeX symbol to put in one of my documents but I cannot find it anywhere. All searching for things like latex symbol have not resulted in the symbol but other symbols.
4
votes
2answers
75 views

What are opening and closing double quotes? And how do I redefine it to be something else?

I have a LaTeX document written with normal English quotes, eg.: ``This is a quoted text.'' Now, I would like to redefine `` and '', so the combination of two ` characters is substituted with, say, ...
3
votes
3answers
240 views

\bot like symbol with two horizontal lines

I'm searching for a symbol that looks like \bot, but with two horizontal lines on the bottom. Roughly like this: | | | ========= I couldn't find anything with detexify, and I've ...
14
votes
3answers
976 views

How to create these nice operators?

I'm trying to typeset a paper in Haskell, and I want to typeset these operators: I'm talking about <*>, <$> and <$. I've seen these before in articles about Haskell. Is there a ...