# Tagged Questions

{relation-symbols} are those {symbols} that denote relations (e.g., =,

126 views

### How do I get this Mathematical Symbol in Latex?

I am doing a project report and there is a certain kind of relation that I want to express between two quantities A and B. The relation is something like "A is neither greater than or less than B" (...
39 views

### Notation for proper normal subgroup

Is there any easy way to put not-equal sign to any binary operation symbol like \triangleright etc. For example, I want to use it for a proper normal subgroup. If found one solution for \lhd but it ...
113 views

### \typecolon is a \mathbin; it should be \mathrel

In unimath-symbols.pdf, the open colon ⦂ (U+02982), called the Z notation type colon, is declared as \mathbin. As far as I know, you use this type colon as demonstrated in the following example. The ...
115 views

### How to generate a smaller \sim with respect to text

When I use \sim I get: Is there a way to make the \sim sign smaller with respect to the text? I looked online but did not find what I was looking for. Thanks.
102 views

### Different appearance of the sim' in \sim and \succsim

I have to write a LaTeX document using a particular style using the preamble below. When I use binary relation \sim, it looks very different (much flatter) than the corresponding part of \succsim. ...
19 views

### The \not operator and relation R [duplicate]

I am using letter R for notation for my relation. I have to use the wRw notation. My problem is that I can't write \not R as I would like to. So I would like to write that, let's say a,b are not in ...
75 views

### a \frac{}{} with knobs

I would like to create a variation of iff (A|B or \frac{A}{B}), say A \cirf B and \fric{A}{B} for if of the kind below. It can be done in tikz however that won't scale with the arguments in size, ...
121 views

### Strict conditional symbol without changing the default font?

Here is how to define \strictif as the strict conditional ⥽ from modal logic. \documentclass{article} \usepackage{lipsum} \usepackage{pxfonts} \DeclareSymbolFont{symbolsC}{U}{txsyc}{m}{n} \...
132 views

### How to create a custom relation symbol with letters on top and below

How would you create the following relation symbol? My current solution: So far I've found a code which puts a letter on top of the \vdash symbol. But it's not exactly what I want: \documentclass{...
50 views

### Drawing dashed \subseteq` symbol

I am trying to draw a dashed \subseteq symbol: (in contrast to \not\subseteq or \varsubsetneq and \nsubseteq from the amsfonts package) but having no success. Is there any known way to do this? ...
494 views

### How do I typeset the c++ increment symbol in LaTeX?

How can I typeset the increment "+=" symbol? It should act as a relation (like =), but should not have extra space between the "+" and "=".
156 views

### The Distinct symbols [duplicate]

How do I write the symbol x cross in LaTeX. I want the x with a line across the centre point of X. I searched the internet but couldn't get it. This is a picture of the symbol
1k views

### is there a way to write −= as one symbol in formulas

In programming -=, += and other similar operators are quite popular. But I am unable to write such operator nicely in Latex equations. For example when I use x += \frac{\partial C}{\partial x} I get ...
117 views

I am attempting to align the integral signs precisely, whilst still retaining the correct spacing around the equals signs. Why doesn't the following code get it exactly right? \begin{align} & ...
205 views

### How to get \trianglelefteq similar to \leqslant?

I find \leqslant command producing nicer output then \leq. For the ideal/normal subgroup symbol, however, one has \trianglelefteq (or \unlhd), but no slant version. The mathabx package changes the \...
121 views

### Oriented harpoon equality

I would like to use a symbol that looks like an equality symbol, but with one arrow on one of the sides of the lines that indicates an orientation. (for instance when manipulating possibly undefined ...
245 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 ...
145 views

### Create a new symbol

First of all, I want to say I am a complete layman, so I apologize in advance for the lack of specific terminology or even if I am asking in the wrong place. I am looking for a character, which most ...
238 views

### Subscript and superscript for arbitrary symbols in plain TeX

I am trying to obtain a black square with a subscript and a superscript in plain TeX. So far I managed to create $\buildrel abc \over\square$. I could easily use nested \buildrels to achieve the ...
40 views

### Not much greater than sign [duplicate]

I am trying to make the negation of the $\gg$ sign in latex. I believe that it exists since It is on my homework sheet that appears to be typed in latex. I tried to draw the sign in detexify, but it ...
37 views

### Changing the type of a symbol

Consider the output of texdef -t latex \flat \flat: \mathchar"15B \the\flat: 347 I'd like to save the \flat command and then redefine it to work as binary symbol, for example, the same space ...
2k views

### Symbol for “defined to be logically equivalent” (:⇔)

Is there a way to typeset the symbol ":⇔" correctly in LaTeX (i.e. with the right alignment and spacing)? I know that using :\Leftrightarrow or :\Longleftrightarrow gets me the symbol I'm looking for ...
160 views

### Bounded modulo a constant [duplicate]

How do I put a tilde directly underneath an inequality (i.e. directly beneath < or >)?
1k views

### How to write ≙ in latex

I want to use unicode character 2259 "estimates" in my document, but cannot find it in the symbols-a4 list or via detexify. It looks exactly like this: ≙ The closest I get is \triangleq: ≜, but it ...
899 views

### LaTeX symbol for “divides precisely”

I sometimes need to write that a certain prime p^k precisely divides a number n, meaning that p^k | m but it is not the case that p^{k+1} | m. It is often written as: p^k || m, where the symbol in the ...
4k views

### LaTeX code for text above the $\rightarrow$

Hi I am wondering what code is used to get text above the $\rightarrow$ have tried $\xrightarrow{P}$ but not running on my LaTeX as I do not know which package to install or how to install it. ...
121 views

### How to generate charts with arrows?

Recently, I discovered LaTeX and started working with it. Currently, I´m able to create simple summaries, etc. with formulas, lists, etc. Although LaTeX is still really new for me. Anyway, now I would ...
26 views

### Text over symbols, but with adjusting width ( something like \stackrel{#1}{#2} but with same size) [duplicate]

I would like to write something above equation sign. One may do it with \stack{#1}{#2} command and it works fine if #1 and #2 are the same length, example: $\stackrel{(3)}{=}$ will result in ...
246 views

### Create longer arrows

I currently use two relation symbols as shown below. However, as I need to put in quite a bit of information above and, in the first case, also below the arrow, I'd like to have longer arrows. In my ...
5k views

I want to do the not independent sign in latex without having to install or define new commands (since I am using latexIT and I cannot load new packages). Currently I use the following sign for ...
347 views

### How to print \upharpoonright?

When I run pdflatex twice on my LaTeX file, the command \upharpoonright does not print the harpoon. Could you let me know how to fix this. I use this command $S(T)\upharpoonright D^{i}_{l}$.
4k views

### What is the TeX/LaTeX symbol for subgroup (not normal subgroup)?

We all love normal subgroups, and in searching the web for the answer to my question I've found plenty of resources for ways to indicate normal subgroups. That's not what I'm looking for. When one ...
5k views

### Slanted greater than and equal to, less than and equal to

Need to produce a "Greater than" or "Equal to" symbol with a slanted equal component of the symbol, i.e. the bottom bar not parallel to the typed line, but parallel to the bottom bar of the right ...
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 ...
153 views

### Is there a better way to “absorb” the subscript than this \@ifnextchar-hackery?

In this example document, I want to make a math relation called R which gets typeset as R^X, but as a math relation. But I want to maybe be able to subscript it. The macro \myRbad looks okay without ...
595 views

### Fuzzy logic operator symbols

How can I write in Latex symbols for standard or Łukasiewicz conjunction like these? Thank you
20k 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}. \...
820 views

### How do I typeset a chemical reaction equation? I want to have a long “=”

I am new to LaTeX. I searched ctan.org, but didn't find what I want. I want to typeset a chemical reaction equation. The = mark seems too short. I need a long one. I tried to add an option 2cm to get ...
3k 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 ...
1k 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.
7k 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| ...
940 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 \...
913 views

### Increase the space between operator in subscript/superscript

I need to increase the space globally between operators in subscripts/superscripts. Example: \sum_{x=4} I need a little more space before and after the = symbol in the subscript. It is required ...
1k views

### New relation symbol

I am defining a new relation in one of my new papers. I want to use the following symbol, because it conveys the meaning of my relation. Is there such a symbol in LaTex ? It is very similar to \leq ...
448k views

### Not equal sign (≠) with a vertical bar

Is it possible to get a \neq but with a vertical bar instead of a slanted one? There are inequality operators like AMS's \gvertneqq that feature this kind of "not equal" but not without mixing it with ...
2k views

### Difference of perp and bot

I saw in math.stackexchange that someone uses \perp for what I always use \bot. In XeLaTeX: lost \perp in Cambria math? it says that they are two different symbols, do they just look the same? I ...
2k views

### What is a good method for producing a unary plus/minus sign that always works?

Say I have a macro that does something in math mode (say, change the mathalphabet). This macro, \somecommand, takes one argument. I might want use is like this, feeding an empty argument into it: \(\...
571 views

### Output a relational symbol on LaTeX (precedes under relation, ⊰)

I'm trying to output this character on LaTeX: ⊰ (click here if you can't see it) The more I search and read the more confused I am. At this point I am clueless. Supposedly the command is \prurel, ...