{stacking-symbol} is about mathematical symbols created by stacking existing symbols above each other.

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4
votes
3answers
268 views

How do I write logical iff symbol?

I'm currently hearing a lecture about formal systems (a computer science lecture). The lecturer makes a symbol that is written like overlying < and >: Every time when he draws it, he says ...
4
votes
1answer
92 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 ...
5
votes
1answer
61 views

Stacking arrays

I want to reproduce something called the tower notation: I have found out that I can make the tables like this: \begin{array}{c|c} S & S\\ S & S\\ \hline \multicolumn{2}{c}{DP\bs S}\\ ...
3
votes
1answer
44 views

adjusting symbols above letter in mathmode

I know there are plenty of similar questions. If you check out the lower picture, you can see that i've tried a bunch of things to solve my problem. That's just one picture...i'm kind of obsessed with ...
1
vote
2answers
59 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 ...
6
votes
3answers
237 views

Combine blacktriangle and blacktriangledown

I need to combine \blacktriangle and \blacktriangledown so that I get the following result: I already tried $\stackrel{\blacktriangle}{\blacktriangledown}$ but then the triangle pointing up is ...
2
votes
1answer
192 views

Symbol: “maps isomorphically”

I want to make a symbol for "maps isomorphically" which consists of a relatively large tilde above a right arrow. Overset doesn't work (besides, the tilde would be too small). MWE: ...
4
votes
1answer
183 views

Change vertical space in overset

How can I decrease the space in overset? I found this solution online, but it doesn't look quite like the original overset (note I know it is difficult to come up with a solution to handle all cases ...
5
votes
5answers
189 views

add (a little bit long) comment on the equal sign?

There are posts here explained how to Add a comment on top of "equal" and "approximate" symbols , the idea is to use \stackrel{text}{=}, however, if the text is a bit long, for ...
4
votes
2answers
92 views

like \rightleftarrows from amssymb, but with hook and twohead, respectively

I would like to have a symbol that looks like the symbol \rightleftarrows from amssymb, but I want the morphism to the right to be a twoheadrightarrow and the morphism to the left to be a ...
2
votes
2answers
61 views

Stackrel and footnote inside the math environment

In my document I have on first page an inequality \begin{eqnarray*} a &\stackrel{*}{\leq}& b \end{eqnarray*} and also on few other pages I have the same inequality. On each page I want to ...
7
votes
2answers
332 views

Symbols for four and five vertical dots

I am very new to latex, but have spent hours trying without success to figure this out. I need symbols for both 4 and 5 vertically stacked dots. I know the commands for 1 dot (\cdot), and 3 dots ...
1
vote
1answer
47 views

Decrease vertical whitespace when stacking above and below arrow

I'd like to have symbols below and above an arrow. The best result so far is accomplished using \stackrel{\tau}{\underset{\equiv}{\rightarrowtriangle}}}} However, the vertical distance between the ...
5
votes
2answers
178 views

Minus-like sign with stuff on top

I want to create an operator that works like a minus sign (including the spacing), but has the characters res on top (in \textrm mode). The length of the minus sign should be adjusted to look like ...
7
votes
3answers
341 views

Superimpose letter on integral symbol

Good Afternoon all, I am trying to typeset a symbol that I have been using to represent the integral of a regulated function. This symbol is the standard integral symbol, with the letter "R" ...
11
votes
3answers
222 views

position of the slash in hatted \slashed

So I want to denote the Dirac operator with a hat, and I tried both \hat{\slashed{D}} and \slashed{\hat{D}}: the first one has the $^$ rather distant to the $\slashed{D}$, while the second one has the ...
10
votes
4answers
622 views

How to put bullet symbol on top of downarrow symbol

I want to put bullet symbol on top of downward arrow symbol. Can someone help me on this? \documentclass{article} \usepackage{graphicx} \begin{document} The transition is represented with ...
11
votes
2answers
394 views

conventional temperature symbol

Looking for a symbol for the thermodynamic concept of conventional Temperature corresponding to \SI{298.15}{\kelvin} or \SI{25}{\Celsius} it is basically an uppercase T with a lowercase c overlaying ...
5
votes
2answers
99 views

Need good looking replacement for \widetilde{s'} (to mark something with a prime)

Throughout my document I have several formula elements named s with variants marked as s'. Furthermore, I need to mark these using some other means. Currently, I use \widetilde, giving me ...
4
votes
3answers
98 views

Vertical spacing problems with a custom math symbol in LaTeX

I need to have a few custom math symbols by adding different number of dots on top of the standard \preceq math symbol. So, I have done this as follows: ...
5
votes
3answers
208 views

Can one break stackrel text into multiple lines?

I'm writing something up where I want to be explicit about some elementary operations I'm performing. I have an arrow between matrices with some text above the arrow showing what I'm doing. The text ...
9
votes
2answers
153 views

Typesetting arc over the letter upside down

How can I, using standard tools and packages, draw a "smile" over a letter? For example, I can typeset \wideparen{x} using yhmath package, but I need that arc to be upside down. Of course I want it to ...
11
votes
2answers
163 views

Looking for \bigCap or \bigdoublecap

I know \Cap (or \doublecap) and I know \bigcap. However, now I also need \bigCap (or \bigdoublecap) which is a \bigcap with another \cap in between. I already tried using \stackinset from the ...
6
votes
3answers
180 views

Nesting outlined boxes in math mode (formulas from Laws of Form)

I want to type-set some formulas from Spencer-Brown's Laws of Form using the nested cross formatting, and preferably using math mode, at times inlined into a paragraph. E.g. the following: So what ...
6
votes
3answers
360 views

Wide inverted breve overset

I want an inverted breve that spans the width of two symbols rather than one. I have tried the suggestions in: inverted breve accent in math mode , and in How to put \smallsmile or \smallfrown on top ...
4
votes
2answers
182 views

setting letter atop vdash

I've got the following problem: I want to set the letter "W" atop a "\vdash", like here: I've tried to get this result with \atop, \stackrel, and \above, but didn't get the wished result. All ...
4
votes
2answers
118 views

Stacking symbols

How could I stack two symbols on top of each other, so that they would appear smaller, i.e. something like \begin{array}a\\b\end{array}, but would fit nicely in a single line with the rest? So for ...
7
votes
2answers
385 views

How can I underline mathematics using a harpoon of variable size?

I am a new user of LaTeX. I want to underline the answers to mathematics problems using a \rightharpoondown symbol. If possible, I would like a \rightharpoondown of variable size, as in the image ...
4
votes
4answers
2k 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?
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 ...
4
votes
1answer
252 views

Vertically align characters raised with \stackrel

I learned from Stefan's reply to Putting a character above another character to use \stackrel in math mode to do just that. I'm using that right now to mark segments of a word as having a high (H) or ...
8
votes
3answers
488 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.
3
votes
1answer
659 views

Write above the symbol math “subset”

Like the symbols "bigcup or bigcap" in LateX, I'd like to write above the symbol subset. I have try to use the displaystyle command, but it doesn't work ! Here this is a snipset of my try : ...
4
votes
1answer
285 views

Create a weightier (bold) \bar

Here's my MWE, with my question embedded: \documentclass[12pt]{article} \usepackage{amsmath} \begin{document} The bar over the $E$ in $\bar E$ is a little too faint for my taste. Or should I just go ...
2
votes
1answer
243 views

Using \limits in a customized \overset for superscript together with \sideset for subscript

I am trying to create a notation for a certain space. I am using a customized \overset in mrf's answer in this thread to suppress the extra vertical space. I still want the subscript on the right ...
2
votes
1answer
254 views

How to force math symbols up and down inline text

I've a simple question I can't figure out. There should be an option that can force the symbols up and down of a formula put inside text. e.g. If I write blablabla $\bigcup_{stuff}$ blablabla the ...
3
votes
1answer
96 views

How can I fix the size of parentheses around stacked function symbols?

I apologize if this is a duplicate, I looked at a number of other questions regarding parentheses size but didn't find an answer to my problem. I'm trying to stack two function symbols within ...
2
votes
1answer
899 views

Math Symbol for Corresponds (Better definition of smash) [duplicate]

I'm using \overset{\smallfrown}{=} to make the math symbol for corresponds. Is there a better definition for this symbol? If not how do I properly smash what I've defined? I tried ...
14
votes
2answers
21k views

\Rightarrow with text above it [duplicate]

When using the command \Rightarrow is there any way to put text above it? I have tried \overbrace but is there a way to do it without this?
6
votes
3answers
5k views

Add a comment on top of “equal” and “approximate” symbols [duplicate]

I was wondering whether it is possible to add some comment on top of the \approx symbol in a similar way that the command \xrightarrow{text} produces an arrow with text over it.
11
votes
1answer
244 views

Straight Braces

Can I make a variant of Latex Braces? In some equations system, I'd like to use a left brace like in this picture:
9
votes
1answer
942 views

A better notation to denote arcs for an American high school textbook

For years, I've been using a hobbled together command to get the arc notation as used in the textbooks adopted by high schools in my area. I'm not really all that pleased with the result: it's just ...
19
votes
4answers
2k views

How can I type “lambda-bar”?

I would like to be able to add the symbol "lambda-bar" (see below) into an equation. How can I do this?
10
votes
1answer
700 views

How can I make an overset symbol at the same size and height as \bar except with a different symbol?

Apologies for the cryptic title, but I was not sure how best to phrase the question in one sentence. I am essentially trying the create a vector symbol with \rightharpoonup as the top instead of the ...
4
votes
2answers
865 views

How to stack three relations

Is it possible to stack three relations or symbols ontop of one another? Specifically I would like to stack three symbols, R, \rightleftarrows and L in order to define a pair of adjoint functors ...
10
votes
1answer
190 views

TikZ: Adjust two words among each other by one character

I would like to create a logo in LaTeX. Here I need to adjust two words relative to each other by a chosen letter. Here is an example, where I'd like to get the two red characters exact among the ...
4
votes
2answers
215 views

Footnote inside stackrel

I am writing an equation and I'd like to put above the equal sign $(=)$ a footnote describing shortly the reason for that equality. I tried \[x^2\stackrel{\footnote{foo}}{=}x\ast x\] but this ...
1
vote
2answers
816 views

How to write inference rules if we are having two antecedents

\[ \frac{A \rightarrow f[\overrightarrow{B}]:= \Psi \\ \Phi \in \langle\Psi\rangle} {A \rightarrow f[\bullet\overrightarrow{B}];\Phi} \] I need to get the two antecedents in two seperate lines. A ...
17
votes
4answers
2k views

What is the command for a sum symbol superimposed on an integral sign?

I want to express a sum over all discrete states and an integral over all continuum states. Usually, the sign for this is a $\sum$ superimposed on an $\int$. Is there a command to make this symbol? If ...
4
votes
1answer
2k views

How to place symbols on top of each other (not \overset, \underset)?

I tried to set two symbols on top of each other via: \begin{align*} \Rightarrow\atop\nLeftarrow \end{align*} How can I reduce the space between the symbols? \overset etc. is what I normally use, ...