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I am using the amsthm package, and I have this in the preamble:



(I use only one counter for all environments -- this is intentional)

Now, I'd like the example environment to actually have an end mark similar to proofs (but with a different symbol). (Maybe also for the definition environment)

The \newtheoremstyle command from amsthm doesn't seem to help.

Is there some easy way to do this, or should I just define new LaTeX environments (with \newenvironment?

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up vote 18 down vote accepted

You can use the thmtools package as a front-end to amsthm; adding the end marks is then an easy matter:





\chapter{Test Chapter}



enter image description here

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