snippet definition
alias   \begin{definition} \definition
	\begin{definition}
		${1:TARGET}
	\end{definition}

snippet only
alias   \only
	\only<${1:NUM:}>{
		${2:TARGET}
	}

snippet exercise
abbr exercise (exsheet)
alias   \begin{exercise} \exercise
	\begin{exercise}
		${1:TARGET}
	\end{exercise}

snippet choices
abbr choices (exsheet)
alias   \begin{choices} \choices
	\begin{choices}
		${1:TARGET}
	\end{choices}