snippet     environment
abbr        env
alias       env
options     head
    \begin{${1}}
        ${2}
    \end{$1}

snippet     align
options     head
    \begin{align${1:#:options}}
        ${0}
    \end{align$1}

snippet     sum
abbr        sum
options     head
    \sum_{${0}}^{${1}}

snippet     satz
abbr        satz
options     head
    \begin{satz}
        ${0}
    \end{satz}

snippet     e
options     head
    \emph{${1}}${2}

snippet     b
options     head
    \textbf{${1}}${2}

snippet     proof
abbr        proof
options     head
    \begin{proof}
        ${0}
    \end{proof}

snippet     subsection
abbr        ss
alias       ss
options     head
    \subsection{${1}}${2}

snippet     subsubsection
abbr        sss
alias       sss
options     head
    \subsubsection{${1}}${2}