# Tagged Questions

553 views

### How to create vertical and horizontal dotted lines in a matrix?

Similar to this question, I am trying to output a similar matrix with dotted line instead of dashed line. Is there anyway to do this? I also try to use these three packages: ...
212 views

### Overline thickness

Is there a way in latex to change the vertical thickness (height) of the line generated by the \overline command? $\overline{\overline{A \vee B}} = \overline{\overline{A} \wedge \overline{B}}$
103 views

### Proof package: lines too short

The proof package's \infer command automatically sizes the lines it draws. However, it isn't always right (pdflatex output): The line is too short on the left. Is this a package ...
480 views

### How to add partial horizontal lines in horizontally aligned math environments

I'm having trouble writing a proof of a theorem in LaTeX, where I need to sum a set of inequalities and continue the proof with this sum. The problem I have is that I'd like to introduce this step ...
3k views

### A Matrix with labels, dashed lines

I'm trying to TeX the following matrix, from Guillemin and Pollack (1.4 #13) The best I've been able to do is get the dashed lines with \[ \left( \begin{array}{c:c} B & C \\ \hdashline D ...
311 views

### Bold fraction line

I would like to use a "bold style" for the fraction line in a math formula. I've seen it in some PDFs, but I do not know the proper command.
I am writing a big formula where a vertical line is needed. Instead of $\vline$ or $|$, does anyone know a way to draw this vertical line of desired length? The formula is something like  E\Bigg[ ...