TeX - LaTeX Stack Exchange
TeX - LaTeX Stack Exchange

Questions tagged [stacking-symbols]

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

Important commands for such stacking operations are \stackrel and \substack from the amsmath package, but also special commands for arrows, like \overrightarrow and \overleftarrow exist.

200 questions
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6 answers

The \bar and \overline commands

I want to represent, say, the closure of a set or the extended reals, e.g., $\bar{\mathbb{R}}$ but unfortunately this creates a bar that is much too small (horizontally) and can barely be seen. On the other hand, $\overline{\mathbb{R}}$ creates a…
3Sphere
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53
votes
4 answers

How to get an "approximately proportional to" symbol

I've looked everywhere, and there does not seem to be a symbol for this, i.e. a \propto with a \sim underneath. I've googled ways of combining these two symbols but haven't found anything satisfactory. Anybody know a simple way of achieving this?…
Seb
  • 531
16
votes
3 answers

\shortstack when writing text in nodes in TikZ

I have seen the command \shortstack in some nodes in TikZ (for example, the accepted answer here). What is used for? I couldn't find its definition in the TikZ manual.
Amelio Vazquez-Reina
  • 4,875
12
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1 answer

How does one make a 'proper' (aesthetically pleasing) double widetilde?

I'm heaving problems with correctly vertically stacking two widetilde's (i.e. one on top of the other). I managed to reduce the space between them, but I don't know how to force them to be exactly vertically aligned. Here's my…
Mini
  • 121
10
votes
2 answers

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 stackengine package, but was not able to produce decent…
C-Otto
  • 933
9
votes
2 answers

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 $R:C\to D$ and $C\gets D:L$. Also, is there a…
Olivier Bégassat
  • 2,251
9
votes
2 answers

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 be extandable as \wideparen did. Which standard…
Norbert
  • 273
8
votes
2 answers

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 example, I want to write blah blah blah…
Eric
  • 1,545
6
votes
3 answers

Symbol: Put a smile symbol under a plus

I would like to have a \smile symbol under a plus symbol. What I have so far is \newcommand{\pluss}{\raisebox{-.5ex}{\,$\overset{\textstyle{\raisebox{-0.5ex}{$+$}}}{\smile}$}\,} However, I would like to have the plus further below. I tried to do…
amsmath
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6
votes
2 answers

Double checkmark symbol

How do I produce double checkmarks? Similar to this: \rlap{\checkmark}\checkmark overlaps one on the other
Rakshit Kothari
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6
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3 answers

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 above the arrow is quite long, is it possible to…
BW.
  • 173
5
votes
1 answer

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}\\ \end{array} But I'm having trouble stacking these items, and…
Maarten
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5
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2 answers

\stackrel with \sim symbol

I am using \stackrel{<}{\sim} to stack up two symbols. However I need to lower \sim, which naturally goes above the line, otherwise
panza
  • 281
4
votes
2 answers

Squaring a symbol

I would like to create a new binary operation by squaring a symbol. In this example I try to do it with \wr. I use \usepackage{graphics} \usepackage{stackengine} \newcommand{\SmallWr}{\scalebox{0.6}{\( \boldsymbol\wr \)}} \newcommand{\WrSymbol}{ …
Damien L
  • 621
4
votes
2 answers

Universal definition of vertically mirrored triangles on top of each other

In this question, we try to get two unfilled triangles on top of one another, mirrored vertically, as a relation symbol. Here is what we've tried so…
user165772
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