4
votes
1answer
79 views

beamer and ams symbols

I would like to use some ams symbol in my presentation, like arrows or aother kind of symbol. When I use the command \ding with the relative code for display the symbol, I receive an error during the ...
2
votes
1answer
40 views

Long twoheadrightarrow

Is it possible to have a LONG twoheadrightarrow? There exists \longrightarrow and \longmapsto, but is there also a long version of the \twoheadrightarrow?
4
votes
1answer
73 views

\hslash with other letter

I would like to know how to make a character like \hslash, but with a 'd' instead of an 'h'. I know that \hbar is defined using \mathchar'26, might there be a similar character for the slash in ...
4
votes
2answers
119 views

Designing medcirc and circledtimes symbols

It would be great to use only \medcirc and \circledtimes from the pxfonts or to design the similar symbols by other techniques. The symbols from pxfonts are quite well but when I connect the ...
7
votes
3answers
286 views

Designing a new tuple of Algebra Operators

It's neccessary to have at least two extra tuples of Albera Operators. A minimal tuple is a triple (to_be_subset_eq, meet_operator, join_operator). There are some ideas how to make 2 extra tupes. ...
10
votes
1answer
9k views

How do I insert a backslash inside a mathematical statement?

I'm trying to write a set subtraction operation in an AMS formatted template. In the end, what I want should look like A\B. But I'm doing this in math-mode $A\B$ and this gives me errors. I've also ...
6
votes
1answer
181 views

Why are \twoheadleftarrow and \leftarrow so different? [Sweave, listings]

I am wondering why the \twoheadleftarrow in the code below looks so much different from (worse than) the \leftarrow, although according to the LaTeX symbol list, the arrow heads should be of the same ...
13
votes
4answers
595 views

Is there another symbol that is slightly different from \forall (likewise for \exists)?

What Is there a symbol that is slightly different from $\forall$ (e.g. having a second line from upper left to lower middle)? It should obviously mean "for all" but be sufficiently different to not ...
0
votes
1answer
2k views

How to use amssymb's \blackbox symbol

I have following problem - I want to use \blackbox in my file, which is provided by amssymb package. I use the following packages: babel, [T1]{fontenc}, [latin2]{inputenc}, none of which allows ...
12
votes
3answers
898 views

What is the symbol “between” (≬) used for?

The amssymb package has a binary relation symbol named \between, which I have never come across. What is it used for? I found out from a compiler error when I tried to define a symbol named that way ...