How can I draw an arrow from one text element to another?

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How to draw arrows between parts of an equation to show the Math Distributive Property (Multiplication)?

Suppose I have the following text:

{A, B, C, D, E}

Now I would like to draw an arrow like \lcirclearrowdown from B to D. So this arrow should go over C. How can I do that?

Do any of the answers in How to draw arrows between parts of an equation to show the Math Distributive Property (Multiplication)? help? — Werner, Feb 10 '12 at 16:39
I took a look at it and it seems to be what I was searching for. But I always get "! Undefined control sequence. [line-nr] \psDefBoxNodes". I get it with $ latex latexsheet.tex and pdflatex latexsheet.tex -output-format=pdf. — Martin Thoma, Feb 10 '12 at 16:59
You need to compile with latex latexsheet.tex, dvips latexsheet.dvi -o latexsheet.ps, and finally ps2pdf latexsheet.ps. Alternatively, use xelatex latexsheet.tex for a direct compile to PDF. You cannot directly use pdflatex latexsheet.tex as-is. — Werner, Feb 10 '12 at 17:03
If you use the tikz based solutions of PeterGrill or Jake, you just need to run pdflatex twice on your file — cmhughes, Feb 10 '12 at 17:11
@cmhughes: Thanks, this works. Do you know why it works the second time? — Martin Thoma, Feb 10 '12 at 19:29
Thanks for your help, I've used it for the following post (LaTeX included): http://martin-thoma.com/minimierung-eines-automaten-mittels-aquivalenzklassenkonstruktion — Martin Thoma, Feb 10 '12 at 21:02
Glad it works, and the post looks great! It takes a second time as it reads from the .aux file. If your question was answered by the other post, please indicate so that it can be flagged for moderator attention (they might like to close it as a duplicate) — cmhughes, Feb 11 '12 at 17:09

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