Dear List, This is my little example: the problem is, that everything was fine, in itemize 1 and 2. In the third itemize i have a problem, because after n^3 and after \Rightarrow there should be a spaace , if I want to write : \Rightarrow n ungerade, but it says nungerade, what I dont want,. \startitemize[n] {\it \item \m{\forall n ∈ \naturalnumbers:n^2 >n\Rightarrow>1,\par}\nospace \par \item \m{\forall n ∈ \naturalnumbers:3\mid n\Rightarrow 4 \mid n,\par} \nospace \par \item \m{\forall n ∈ \naturalnumbers:n^3 ungerade \Rightarrow n ungerade \par} Uschi