About

The {amsthm} package provides an enhanced version of LaTeX's \newtheorem command for dening theorem-like environments. The enhanced \newtheorem recognizes a \theoremstyle specication (as in Mittelbach's theorem package) and has a * form for dening unnumbered environments. The amsthm package also defines a proof environment that automatically adds a QED symbol at the end. AMS document classes incorporate the amsthm package, so everything described here applies to them as well.

If the amsthm package is used with a non-AMS document class and with the amsmath package, amsthm must be loaded after amsmath, not before.

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