I use LyX, so a lot of the working is hidden from me.
I want to overlay the symbols \star and \bigcircle.
How do I do this?
I know it can be done, ad there is the \not, which works like that
[Tex/LaTex] Overlaying two symbols
kerninglyxsymbols
Related Solutions
\rlap and \llap can be used to print a symbol without a width. Similar, the mathtools package provides commands \mathrlap, \mathclap, \mathllap. These commands offer a quick way for overlapping symbols.
Example, overlapping \vee, \wedge and Q like desired in your question:
\documentclass{article}
\usepackage{mathtools}
\begin{document}
$\mathrlap{\vee}\wedge$
\rlap{Q}---
\end{document}
While \rlap produces a zero-width box where the content sticks out to the right, \llap does the same but to the left. \mathclap centers to the current position.
You need to load the amssymb package.
(In LyX: choose "document"-->"settings"--> "latex preamble" , copy \usepackage{amssymb} into the empty region on the right side, press "apply" and "close")
Best Answer
I don't know how to teach this to LyX, but here's how I would do it: