2

I'm working on a beamer presentation in LaTeX and I'm trying to mix somethings that don't seem to want to go together. I'm trying to combine itemize and cases. Here is what I've tried and it didn't work:

\begin{frame}
\begin{itemize}
    \begin{rcases*}
    \item X
    \item Y
    \item Z
    \end{rcases*} These are letters\\
\item 1 $rightarrow$ One
\item 2 $rightarrow$ Two
\item 3 $rightarrow$ Three
\end{itemize}
\end{frame} 

The issue is that I can't seem to combine everything smoothly. I can either itemize or put things into the case. Any suggestions?

  • Put rcases* inside n $ $. – Bernard May 29 '17 at 23:43
  • Like this? $\begin{rcases*} \item X \item Y \item Z \end{rcases*}$ These are letters\\ – Roger May 30 '17 at 0:14
  • Sorry, I misunderstood what you try to obtain. Nevertheless, rcases can't work outside of math mode, and you can't shuffle environments. If I understand well, you would like to have a brace in front of some items of an itemize environment? – Bernard May 30 '17 at 0:16
  • Yes, that's exactly what I'm looking for! Well, to the right of some items. – Roger May 30 '17 at 0:28
2

Here is a solution with blkarray: it consists in nesting an itemize (correponding to the first thee items) in a blockarray environment, the rest in another itemize, and a suitable negative vertical spacing between both environments:

\documentclass{beamer}
\usepackage{blkarray}

\begin{document}

\begin{frame}
  \begin{blockarray}{@{}p{2cm}\Right{\}}{These are letters}}
    \vspace{-\baselineskip}
    \begin{itemize}%[nosep, before = \vspace*{-0.6\baselineskip},after= \vspace*{-0.86\baselineskip} ]
      \item X
      \item Y
      \item Z
    \end{itemize}\vspace*{-\baselineskip}
  \end{blockarray}
  \begin{itemize}\vspace*{-\dimexpr\topsep + \baselineskip-\itemsep }
    \item 1 $\rightarrow$ One
    \item 2 $\rightarrow$ Two
    \item 3 $\rightarrow$ Three
  \end{itemize}
\end{frame}

\end{document} 

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