{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.

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2
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3answers
11k views

What is the not subset symbol [duplicate]

Possible Duplicate: How to look up a math symbol? I am looking for the "not subset" symbol I see in my maths textbook. Wheres that? In Lyx, I dont see it ... Same here under relations
8
votes
3answers
3k views

Left version of \mapsto [duplicate]

Possible Duplicate: How to look up a math symbol? I there a version of \mapsto going from right to left (i.e a "\leftmapsto"? Is there an easy way of creating such a symbol?
19
votes
2answers
1k views

Typesetting Babylonian numerals?

This question led to a new package: babyloniannum I would like to typeset Babylonian numerals as shown e.g. on Wikipedia. Ideally I would like a command where I can type something like ...
0
votes
0answers
189 views

How to print this bracket? [duplicate]

Possible Duplicates: How to look up a math symbol? A symbol for the field of formal Laurent series Could anyone tell me how to print the left bracket in these 2 formulae? And their ...
3
votes
3answers
1k views

How do I write the mathematical version of the greek letter phi when using the babel package to make greek letters upright?

I'm writing an essay in which I need the greek letters to be upright. I have fixed this by applying the accepted solution given to this question. I quote from that solution: \documentclass{minimal} ...
1
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2answers
891 views

LaTeX syntax for karp reduction

What is the LaTeX syntax for Karp reduction (i.e. the lesser than sign with curved lines instead of straight lines)?
10
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4answers
13k views

LaTeX symbol for “does not divide”

What is the correct way to make the "does not divide" symbol in plain LaTeX 2e? I'm talking about the symbol that is a vertical bar with a slash through it. I prefer not to install AMS or other ...
1
vote
2answers
1k views

Annuity notation in LaTeX

How do you write this in LaTeX:
9
votes
3answers
6k views

How to make a backwards “\in” [duplicate]

Possible Duplicate: How to look up a math symbol? Hopefully this question has a one word answer! I want to be able to write a backwards epsilon of the sort used for set membership in ...
1
vote
1answer
767 views

lyx bibliography does not display math symbols

I am using the IEEEtran template. I have to cite one reference, this reference has several special math characters, when I tried to convert it to pdf file, LyX gave many errors about it, Errors: six ...
3
votes
2answers
1k views

Easy way to type more kinds of arrows?

There is \rightrightarrows to produce two parallel arrows, \longrightarrow to produce a longer arrow and \xrightarrow to produce an extendable arrow. But is there an easy way to produce two long ...
6
votes
2answers
3k views

Crossing out arrows

Is there a command/package that allows one to cross out arrows? I'm picturing something like an "X" over the $\to$ symbol. I am aware of the ulem package, which I think allows you to cross out text ...
16
votes
4answers
1k views

Writing a negative number in text mode: $-$9 or $-9$?

If we want to produce -9, typing -9 in an input file is not correct because - is intentionally designed for hyphenation so its glyph is bad to represent the minus sign. To produce the minus sign, we ...
2
votes
2answers
2k views

How to enter symbol for inexact differential in xelatex?

The LaTeX symbol list document recommends this: \def\dbar{{\mathchar’26\mkern-12mu d}} Compiling this gives an error about mathcar being undefined. A minimal example follows: ...
4
votes
2answers
425 views

grabbing a single Greek glyph from an alternative font in math mode?

I have a physics textbook that is used by students who typically have no previous familiarity with the Greek alphabet. In the Computer Modern math font, lowercase gamma is highly stylized. The loop at ...
12
votes
3answers
1k views

Generating a table of glyphs with XeTeX

I am trying to get XeTeX to generate a table of all the possible glyphs of a given font, but can not figure out how to make XeTeX know how many glyphs the font has, so I have to specify an exact ...
6
votes
1answer
230 views

Is there a (standard) font with a literal end-of-line character in it?

For ... complicated ... reasons (which I'll explain in a moment), I want to be able to put a literal end-of-line character in my document. Simply putting ^^J results in an Ω. Looking at the ...
10
votes
3answers
9k views

Logical “and” character in TeX

I'm trying to write a logical syllogism in the form of ((a -> b) & (c -> a)) -> (c -> b). But I don't know how to write Logical And character. It's something like caret character (^), but not as a ...
5
votes
1answer
20k views

A centered plus-minus symbol

I'm using the amsbook document class with the psamsfonts and mathpazo packages. The minus sign touches the bottom of the text line. Is there a way to slightly miniaturize and vertically center the \pm ...
3
votes
1answer
800 views

Nomenclature sorting and latex code coming first

I am using LyX, which uses Nomenclature package, I guess. As you see in the screenshot 1, \hat{p} comes before everything else. How can I send it back where the other p's are? Many thanks.
10
votes
3answers
460 views

The line produced by \not looks bad on wider symbols

When using \not together with wider symbols such as \Leftrightarrow the diagonal line produced by \not is placed too far to the left. How can the line be properly aligned? For example the following ...
8
votes
1answer
1k views

Symbol: Center of Mass (dowelpin)

Does anyone know of the symbol used for the center of mass in physics? Typically it is a circle with two quadrants shaded in. Unfortunately I can't find this in the standard LaTeX symbols PDF or on ...
5
votes
3answers
704 views

How to create an Arrow Symbol

I am looking for a way to create a symbol of an arrow in which it points in a downward direction but do not know if one already exist. I have tried detexify to come up with nothing. The picture of ...
2
votes
1answer
764 views

svjour3 undefined control sequence

I am using svjour3 template to submit a paper. My problem is LaTeX faces these errors: Undefined control sequence \mathbb{} . Similarly Undefined control sequence \mathfrac{} .
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vote
2answers
2k views

Fourier font and \textregistered symbol

I use TeXLive 2010 on Win XP and I notice that while the \textregistered symbol (an R in a circle which is normally placed next to trade names) appears well with the default CM font, it appears ...
27
votes
1answer
35k views

Nice looking empty set?

I feel like the standard $\emptyset$ is ugly. By hand, my empty set symbol is a lot rounder, then this "slashed-zero"-type symbol. Two questions: Do people really use it (I mean people who have any ...
4
votes
2answers
557 views

How can i use special glyphs in large font sizes, with fontspec?

now i have some trouble with font size declaration, using XeTeX's fontspec package. I read the fontspec manual. There is no explicit section about font size, but i see that the author of the manual ...
3
votes
1answer
1k views

Looking for specific lower-case script “r” symbol/font

I'm looking for the lowercase script r shown below (used here to denote the rank of a matrix). Does anyone know how to reproduce it?
5
votes
1answer
529 views

How to load manual font from manfnt?

In the TeXBook, it says that: {\manual\char127} prints the dangerous bend glyph. But it doesn't. I can do it with \manfntsymbol{127}, but how can I switch to the manfnt font? \font{manfnt} doesn't ...
7
votes
1answer
826 views

How to access fleurons?

I'm just wondering, how is it possible to access and use the fleurons coming with fonts like Garamond Premier Pro. For example, the MinionPro package, with pifont, gives a comfortable interface for ...
5
votes
2answers
1k views

textcomp makes \textbullet smaller when using helvet font

I'm writing a document which requires the helvet font and, in order to get access to the euro symbol, I am now trying to load the textcomp package. However this package has the strange side effect of ...
9
votes
3answers
978 views

What symbol can be used in front of a URL ?

When you typeset an email address, you can put a "@" or a letter symbol in front of it. In the same fashion, what symbol can be used in front of a URL?
1
vote
1answer
1k views

Nested \underset screws up size – is there a better way?

I often find myself wanting two or more conditions below a sum, supremum, limit, etc. Currently, the only way I know to typeset this is using an \underset inside another \underset. For example, ...
35
votes
6answers
3k views

\subseteq + \circ as a single symbol (“open subset”)

I'm trying to create symbols \opn for "open subset" and \cls "closed subset". I want them to look like this: My current solution is: ...
5
votes
3answers
548 views

Palatino, roman \chi and the math mode

I am using Palatino for the content and I have a problem displaying \chi in math mode. The problem happens when I have a roman formatting in math, e.g., vector x, X, and χ; the χ turns to some ...
11
votes
2answers
2k views

Error with percent sign in bib entry field when using biblatex/biber

I'm trying to use biblatex (v1.5a) with biber (v0.9.3) instead of BibTeX but I am having a problem with bib entries, where the abstract contains a percent sign. In that case, in the bbl file the ...
2
votes
1answer
669 views

triple \approx and triple \approx with a straight middle line

I'm trying to create a symbol \diffeo for "diffeomorphic" and \isomet for "isometric". I'd like it to look exactly like \approx $\approx$, but with three lines for the first one; and three lines with ...
18
votes
4answers
14k views

Macro for degree symbol

I wanted to find a simple way to made degree symbol ° and have tried textcomp and gensymb, but none of them works. I wanted to avoid using ^{\circ}, which isn't nice when you have a long document. I ...
2
votes
2answers
110 views

How to encode the name of the LOOM programming language?

What symbols are used to write LOOM as shown in the image below? (The cutout is from a paper by Bruce et al., presented at the ECOOP conference in 1997.)
6
votes
1answer
2k views

Greek character in Beamer document title

I need to include the Greek letter sigma in the title of my Beamer presentation. When I use $\sigma$ to obtain the symbol (which works fine in other LaTeX document titles), I receive the warning ...
10
votes
2answers
4k views

How do you superimpose two symbols over each other?

I want to superimpose two symbols, e.g. I want to superimpose \vee and \wedge and > and < symbols over each other (not above each other as in stackrel) and Q with a horizontal strike through ...
6
votes
2answers
511 views

Draw the LaTex beamer article symbol

How do I draw the little article symbol from LaTeX beamer's bibliography section somewhere else in my beamer presentation? I want to use it as a bullet symbol for a normal list.
2
votes
3answers
660 views

How to typeset this symbol?

It's not \mathscr{I}, which is more italic (slanted)
4
votes
3answers
535 views

\openg in MinionPro (from Acrobat 9)

(This is an extension of question \ell in MinionPro, but sadly I can't add comments on S.E. yet.) Similar to the issue of using \ell in recent versions of MinionPro, which is solved by replacing ...
11
votes
3answers
2k views

Is there a package that has the “clockwise gapped circle arrow” in it?

The symbol I'm after is ⟳ (also nice to have ⟲). That's U+27F3 (and U+27F2). Detexify can't find it (or my drawing skills are woeful); is it already in a font package, or do I have to ...
3
votes
1answer
655 views

vertical subseteq symbol in label of subfloat

Math symbols (\subseteq and \supseteq) are rotated and rendered successfully in text mode with the aid of \rotatebox{}{}. In the commented section below, there is a problem with getting these symbols ...
24
votes
2answers
4k views

How to superimpose LaTeX on a picture?

I know how to add a picture to my LaTeX file, e.g. \includegraphics[width=7cm]{curve.pdf}. What I'd now like to do is place some latex symbols onto the picture. Like a \gamma to name a curve. I do not ...
20
votes
4answers
3k views

Symbols for Outer Joins

I'm looking for a way to typeset the symbols for outer joins, that is ⟕ U+27D5 onward. There seems to be nothing in symbols-a4. Note that I'm not looking for ⋊ U+22C9 as this represents a semijoin. ...
5
votes
3answers
3k views

XOR and II (concatenation) summation symbols

In Latex, in math mode, if I want to express summation over a range I can use the following expression \sum_{from}^{to}. I can do the same for the product. What is the name of the symbol that does ...
4
votes
1answer
2k views

How to get correct rendering for \dh \TH (ð þ Þ)?

I have some references containing \dh and \TH. When using these symbols in either the LaTeX source or the .bib file I only get a black box. Neither \dh nor ð works. According to the documentation, T1 ...