# [tex-live] TeX Live questions

humberto gonzalez-corona anoroc2000 at hotmail.com
Sat Oct 8 19:42:51 CEST 2016

Hi, thank you for your help yesterday. I am using the amsmath package as you suggested but for some reason the following command does not work;

\begin{proof}

Trivial, use

$$E=mc^2$$

\end{proof}

I get an error message: !LaTeX Error: Environment proof undefined.

I also tried to fake it by adding a square at the end of my proof with \boxempty. I also get an error message,

How can I solve these problems using teX Live?

Thank you

Humberto
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