Axel Heinrici wrote: > > I am using lyx 1.2. And I am looking for the underbraces in mathed. > Someone from lyx-devel told me they exist. But I did not manage to > find these anywhere in the documentation or the menus. Can someone > tell me where to find this feature.
open math panel and insert from the decoration submenu the underbrace and you'll get a new blue mathbox Herbert -- http://www.lyx.org/help/