{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.

learn more… | top users | synonyms (3)

1
vote
0answers
35 views

latex symbol for covering relation in posets [duplicate]

Is there a package with LaTeX symbols for the poset relations "covers" and "is covered by", as seen in http://en.wikipedia.org/wiki/Covering_relation? I've tried creating ⋅> and <⋅ symbols on my ...
4
votes
2answers
120 views

Adding a 'bridge' or link between two rows in a table

I'm making a report and I've been asked to do something which I have no idea is even possible or not. I have this table: \begin{table} \begin{center} \caption{Cryostat-In Pin Outs and Resistances} ...
2
votes
3answers
232 views

Defining operator symbols

I want to replace the circle in the symbol \circledast by a square. But i did not find the right command. It seems that the packages stmaryrd would help. But the package usually re-defines other basic ...
4
votes
3answers
2k views

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

I need the uppercase of this sign $\varepsilon$ how to I get that?
4
votes
1answer
2k views

\hat and \widehat look terrible: fixing width and better positioning?

I want to make the use of quantum mechanical operators explicit in my text using \hat{A} or \widehat{A}. The problem is that depending on the symbol under the accent it looks either misplaced or too ...
0
votes
0answers
60 views

what is the the latex code for a wave line above a word? [duplicate]

I wish to write a wave line above the "ch" as described in the following picture, how should I do this?
4
votes
2answers
419 views

How to get bigsqcap in the right size

I would like to use the upside-down version of \bigsqcup to denote its dual operation. The stmaryrd package provides that symbol, \bigsqcap, but I have found that these two symbols are rendered in ...
2
votes
1answer
629 views

Putting an underscore in a \label

I am trying to use pdflatex to type set some files that have underscores in the \label. Such as \label{abc_xyz} and have been unsuccessful. I keep getting errors such as: ! Missing \endcsname ...
6
votes
1answer
525 views

The size of roots

I can't get to the root of this problem: I need the second root to be the same height as the first one $\sqrt{F} \: \sqrt{F_{x_x}}$ I know I can use \vphantom, but I don't know how.
4
votes
4answers
1k views

How to typeset an isomorphism symbol ($\simeq$) with a long bar

Is there any way to typeset in LaTeX a \simeq with a longer bar, or equivalently \stackrel{\sim}{\longrightarrow} without the arrowhead?
3
votes
2answers
476 views

What is the latex code for the symbol “two colons and equals sign”? [duplicate]

I wish to use the symbol as in the following picture, however, I can not find it. Can someone help me?
12
votes
4answers
2k 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 ...
1
vote
0answers
85 views

How do I display symbols in the editor instead of text? [closed]

Whenever I click a symbol to insert into the editor it just inserts a description of the symbol, instead of the actual symbol image that's displayed on the left in the symbols panel. If we wish to ...
4
votes
1answer
234 views

How to create the character Д for math mode? [duplicate]

In my research I'm using results of the paper Vinogradov A. M., - The logic algebra for the theory of linear differential operators, - Soviet Math. Dokl., 13 (1972), 1058-1062. The paper uses the ...
0
votes
1answer
280 views

Latex: \lneq displaying as \nleq [duplicate]

The problem i have is that both \lneq and \nleq display as the same symbol with different sizes. I only need the "equality bar" below < to be crossed out. Instead the whole symbol is crossed in ...
6
votes
2answers
1k views

Small cross and small upside down cross symbols

I need a cross symbol, similar to \dagger, but optimally less fancy, smaller (not as long vertical line below the crossing) and without having to load a special symbol package (besides amsmath). The ...
4
votes
1answer
268 views

Different symbols for square roots

Why are the square root symbols on this post different? Some of them have vertical bar and other ones have slanted bars.
6
votes
2answers
384 views

Customise \textvisiblespace

The accepted answer in this question shows a neat redefinition of \textvisiblespace, which I like to use because it doesn't produce a warning in math mode. However, I use it with monospace in an ...
10
votes
4answers
406 views

A more wedge-like symbol instead of a caret in typewriter-font text?

I'm trying to typeset some computer code which involves a caret (for powers); for example \verb!x^3+x^2-1! The trouble here is that the caret produced is rather flat. I could use a wedge instead: ...
6
votes
1answer
2k views

Text and math versions of textual (non-numeric) footnote symbols

LaTeX generates the traditional textual footnote symbols (LaTeX uses the following sequence: ∗ † ‡ § ¶ ∥ ∗∗ †† ‡‡) as math symbols. Why? And why do all of these symbols have separate textual and math ...
0
votes
1answer
437 views

Formatting of other special functions

There are special macros for stuff like exp, sin, cos, etc... but not for the non-elementary special functions like F, J, I, K, E etc... although their symbold are quite standard throughout ...
2
votes
1answer
469 views

Math symbols in tt font

I am trying to typeset some mathematics all in typewriter font; aiming to emulate the appearance of a particular computing environment. However, \mathtt in math mode doesn't appear to affect the ...
3
votes
3answers
905 views

What is the name of this symbol and what is the command to display it in LaTeX? [duplicate]

Below is an image that I took of a symbol in "Logic for Philosophy" by Theodore Sider. The symbol is used to represent a function whose domain is Sentence letters of propositional logic and whose ...
3
votes
1answer
225 views

Math “collection” symbol [duplicate]

In my math book I see the notation for a collection of sets, which is like a fancy C. I don't know how to describe it beyond that. What's the LaTeX for it?
5
votes
1answer
2k views

Non-bitmapped “thumb up” symbol for flagging “good practice” tips

I want to use a "thumb up" symbol, to flag a "good practice" tips in my document. Table 244 in the Comprehensive LaTeX Symbol list shows that the dingbat package provides the following: However, ...
0
votes
1answer
229 views

\mathbbm in exponent of equation

I am trying to put a blackboard 1 (indicator function; I'm using the bbm package) in the exponent of an equation, something like \begin{align*} f(x) = \mathbbm{1}(x = 1) \\ % works p(x) = ...
6
votes
1answer
216 views

How to access the quotation marks in Berling font using lualatex?

Here is a small example: \documentclass[11pt,article,oneside]{memoir} \usepackage{fontspec} \setmainfont[ItalicFont={BerlIt}, FeatureFile=myligatures.fea]{Berling} \begin{document} ``Lala la'' ...
3
votes
1answer
631 views

Is there a \camera symbol? [duplicate]

I would like to add camera symbol to headwords with photos (sometimes the photos are placed just bellow the headword, sometimes on the other page) so the user of dictionary can find certainly the ...
0
votes
1answer
3k views

LaTeX symbol formatting

\int_{\mathbb R^D} \Delta S \cdot S \, dx = -\int_{\mathbb R^D} \nabla S\cdot \nabla S\, dx = \mean{(\nabla S)^2} I want to write average symbol on $(\nabla S)^2$ but it is not workig. How can ...
2
votes
3answers
780 views

ar package for Aspect Ratio symbol

I try to get the Aspect Ratio Symbol used in aeronautics (A and R together see p.78 of this document) but it requires the ar package. I call \usepackage{ar} in my code and get the error: file ar.sty ...
11
votes
2answers
801 views

Is there a difference between \bot and \perp, when they are used in exponent?

I am used to write $M^\bot$ for the orthogonal complement of the set M. Is this incorrect? I have seen this question, the answer there says that these two symbols have different spacing. (One of ...
6
votes
1answer
150 views

Are true glyphs used for accented characters, when input as escaped codes?

I know that in the early days of TeX, some characters outside the standard ascii where typeset by quite dirty hacks. For example, in my language (Polish), we have an "a with a downward hook" (ą) and ...
3
votes
0answers
238 views

math/logic character \exists renders OK in editor, but faults when compiling [closed]

The fault message below: lyx could not find command for character "$\exists$" (code point 0*2203) This character renders OK in lyx editor, I pick it from lyx math miscellaneous, it's the first ...
5
votes
2answers
189 views

How can I insert a ¿ character in a latex file [duplicate]

After a couple of hours looking at Google for a solution, I arrived here for help. So, please! I just want to insert a ¿ symbol. Anyone know how to do that?
2
votes
1answer
182 views

how do you color a percent (%) symbol?

im trying to color part of an expression with a percent symbol and its not working, the area comes out blank after running latex, other stuff works, but anything containing a percent sign ends up ...
4
votes
2answers
720 views

What is the round v symbol used by my thermodynamics text for volume and specific volume?

The shape is somewhere between a v and a u. I'm almost certain it's a letter character as they have both lower and uppercase (used for specific and total volume respectively). Since the v and V ...
32
votes
6answers
2k views

Censoring Curse Words with Grawlixes

Suppose that I would like to censor a curse word <word> using grawlixes, e.g. "What the #@$! are you doing?!" How can I define a command \censor such that \censor{<word>} results in a ...
0
votes
1answer
128 views

How to change position of symbols that are moved by transposition sign in equation?

I have equation \begin{align} \textbf{P}(k+1|k) = \textbf{F}(k)\textbf{P}(k|k)\textbf{F}^T(k) + \textbf{Q}(k) \end{align} where the sign of transposition \textbf{F}^T makes second the time symbol ...
16
votes
3answers
947 views

Typesetting old fashioned factorials

I would like to typeset an old fashioned factorial symbol and was wondering whether there was an elegant way of doing this that scales with font size. Ideally what I would like is to invoke ...
1
vote
1answer
164 views

How to create dashed right arrow over symbol?

Recently I asked this question: Dashed left arrow over symbol I needed to know how to put an dashed left arrow over a symbol. I received two answers, one of them used Tikz for this, other use pure ...
1
vote
0answers
39 views

A large “#” symbol [duplicate]

I´m trying to typeset a large # symbol. I tried \newcommand*{\con}{\scalebox{1.5}{\ensuremath{\#}}} but i would also like to add subscripts in math mode so that they appear underneath the symbol. I ...
6
votes
1answer
265 views

Correct libertine glyphs in math mode

When using the libertine package together with newtxmath and pdflatex, the equality and minus glyphs in math mode are not taken from the libertine font which results in too large symbols compared to ...
3
votes
1answer
2k views

Plus-minus sign in a circle?

I’m using \oplus and \ominus in a manuscript and I need an “\oplusminus”, that is, a ± in a big circle. Whatever I use will probably end up being published (though maybe only four times in the whole ...
7
votes
3answers
2k views

How can I get bold Greek letters with mathptmx?

I'm currently using these packages in my document: \usepackage{mathptmx} \usepackage[margin=1.2in]{geometry} \usepackage{fancyhdr} \usepackage{amsmath, amsthm, amssymb, amsbsy} \usepackage{graphicx} ...
8
votes
3answers
452 views

How to write a pretty \not \varepsilon

How can I write a pretty \not\varepsilon? I want something like \notin, since I use \varepsilon as a relation symbol like \in.
14
votes
2answers
2k views

divides, not divides and cardinalities

In group theory it happens very often that you want to say: "The order of $H$ divides / does not divide the order of $G$." But the length of | is then always the same: $ |H| | |G| $ produces |H|||G| ...
3
votes
2answers
405 views

How to make a box bold at the end of proof? [duplicate]

Let us consider the following example : \documentclass[12pt,twoside,a4paper]{book} \usepackage[left=.45in,right=.45in,top=.6in,bottom=.6in]{geometry} \usepackage[fleqn]{amsmath} ...
8
votes
2answers
1k views

How to use the negated approximate sign

I'm trying to get the negated \approx sign in LaTeX, as it is in here: But the \napprox command does not work. Any ideas? Maybe it was switched to a new command? Or do I just need to include some ...
5
votes
2answers
104 views

Nested begin-math symbols

I am facing a problem while displaying a mathematical expression. The code looks like this : \textit{$f_{1}$} $\succ$ \textit{$f_{2}$} if $\begin{cases} \textit{dz_{f_{1}}} \supseteq ...
8
votes
1answer
200 views

a ∣ b and a ∤ b in formulas

What is the correct way, both semantically and typographically, to typeset a ∣ b and a ∤ b (read “a divides b” and ”a does not divide b”)? I guess I could simply type | (vertical bar, U+007C) or ...