latex error: environment proof undefined

Question

hi i am using latex... wanted to use the following: ``` \begin{proof} ... \end{proof} ``` it gives me the following error: !Latex error: Environment proof undefined. can you help me to solve this problem? thanks

Accepted Answer

The `proof` environment is part of AMS-LaΤεχ, not plain LaΤεχ, so you need to:

```
\usepackage{amsthm}
```

See this AMS-LaTeX page for details. If you don't already have the packages installed, grab them at http://www.ams.org/tex/amslatex.html

latex error: environment proof undefined

Solution

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