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

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4
votes
3answers
79 views

How to put symbols of equal size on top of each other?

I would like to put (any) two symbols on top of each other. With \overset the one on top is smaller. However, I want them to appear vertically centered and of equal size. How can this be done? ...
1
vote
1answer
29 views

Negating (\not) a stackrel expression

I am using the following command to generate an arrow with a superscript, which is then negated: \not \stackrel{x}{\Longrightarrow} The problem is that the "\not" slash appears far to the left on ...
7
votes
2answers
172 views

Combine two symbols to one fully scalable

I have to put a colon inside a bigcup symbol, so that the result is treated exactly like the latter. I tried different approaches following various posts here and on other places. The best result ...
4
votes
2answers
91 views

an \underhat and \underwidehat

So $\hat x$ and $\widehat x$ give upper hats of different length, however, unlike \overbrace{} had an \underbrace{}, one sometimes needs an \uhat and \uwidehat. What is the best (cleanest, fewest ...
0
votes
1answer
42 views

Letter with circle above — not a dot — in math mode [duplicate]

I need to typeset letter with a circle above it in math. \dot A does a very close result, but I need something that looks like \circ, not like \cdot. Edit: there is awesome answer here, but Detexify ...
0
votes
1answer
84 views

Triangle inequality symbol

Does anybody know what symbol to put above an inequality symbol < to indicate that the triangle inequality has been applied? I would like a symbol like this (which is not in The Comprehensive ...
5
votes
3answers
736 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
2answers
230 views

Symbol inbetween “#” and “ff”

I wondered how to create a symbol that looks like "#" (for connected sum) and "ff" for "fiber". The size and angles should be like the "#", but the vertical bars should look like two f`s. Another way ...
8
votes
1answer
243 views

How to create \Delta with dot in it?

I am just looking for ways to write different \Delta´s (so many different variants of the Alexander polynomial). So I came up with the idea to have a dot in it. But the problem I noticed is, if I ...
2
votes
2answers
78 views

In the Tufte template… How can I make LaTeX use symbols (*, †, ‡, and so on) instead of numbers to mark sidenotes?

Sorry for the possible naive question.... I am using the wonderful Tufte template... How can I make LaTeX use symbols (*, †, ‡, and so on) instead of numbers to mark sidenotes? I tried the solution ...
8
votes
3answers
932 views

double tilde symbol under letter

Currently, I'm representing second and fourth order tensor with this (taken from someone, and i don't really get how it works): % tensor 2: ...
4
votes
1answer
115 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 ...
2
votes
2answers
1k 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 ...
5
votes
1answer
73 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
98 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
121 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 ...
3
votes
1answer
108 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 ...
6
votes
3answers
3k views

How do I get a equals sign under letters?

To show that a letter is a matrix my math book puts a equals sign under the letter. How do I do this?
21
votes
4answers
3k 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?
9
votes
2answers
226 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 ...
6
votes
3answers
328 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 ...
5
votes
5answers
260 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 ...
2
votes
1answer
605 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
512 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 ...
7
votes
7answers
4k views

frown and mathop/stackrel/overset

I need something like \stackrel{\frown}{MM'} to express the fact that MM' is some path. But I am not really satisfied by the look of the result. The \frown is too high. Would you please have a ...
4
votes
2answers
113 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
89 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
594 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
52 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
193 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
432 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
281 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
660 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 ...
4
votes
1answer
434 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 ...
17
votes
2answers
6k views

How to typeset “evaluated at” vertical bar with two conditions instead of one?

I would like to typeset the differential of a multivariate function evaluated at a point where two of the variables take precise value. I typeset the "evaluated at" using a vertical bar, at the bottom ...
11
votes
2answers
424 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
124 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 ...
5
votes
3answers
135 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
372 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 ...
13
votes
4answers
3k 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 ...
11
votes
2answers
244 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
222 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
513 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 ...
3
votes
1answer
1k 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
2answers
267 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 ...
15
votes
2answers
9k views

Is there an “underscript” command?

Is there a way to do underscripts? By "underscript" I mean a small font underneath the text object like limits or sums have. I don't want it to behave like a math operator though, where it is typeset ...
4
votes
2answers
140 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
1answer
5k views

How to put symbol around the equal sign?

In the question Latex Math Symbol: Vitanyi puts a tiny plus symbol over his equals. How do I do that?, there was an answer to how to place additional sign over the equal sign. And my question is, ...
7
votes
2answers
448 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
4k 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?