Matthias Hoffmann schrieb:
But I have a problem with Theorems (AMS enhanced). If I write a assumption I can see "Annahme"- wich means assumption in German at Lyx, but as soon as I create a .pdf of it there is "assumption" written in this pdf.
You need to translate these terms manually for the output. How this is done is described in http://wiki.lyx.org/LyX/I18nLabels (In the next major LyX version these translations will be done automatically.) regards Uwe