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In beamer, I would like to show two incomplete items at the start of the slide. Next, I would like to complete the items. What I want is like: I present two items to the audience (so I show the items to the audience) and I ask them to guess what are these items? and next I will give them the right answer item by item.

So I will have something like:

In the first time, I have:

  • Item 1:
  • Item 2:

Then, I have:

  • Item 1: text1
  • Item 2:

Then, I have:

  • Item 1: text1
  • Item 2: text2

I did this:

\begin{enumerate}
   \item<1,2-3> Item1: text1
   \item<1,3-3> Item2: text2 
\end{enumerate}

But the result is not what I want.

  • Please help us to help you and add a minimal working example (MWE) that illustrates your problem. It will be much easier for us to reproduce your situation and find out what the issue is when we see compilable code, starting with \documentclass{...} and ending with \end{document}. – user31729 Feb 17 '15 at 16:09
1

One approach with explicit \onslide settings.

\documentclass{beamer}

\begin{document}

\begin{frame}{Some title}
\begin{enumerate}
   \item<1-3> Item1: \onslide<2-3>{text1}
   \item<1-3> Item2: \onslide<3-3>{text2}
\end{enumerate}

\end{frame}



\end{document}

enter image description here

1

There are various overlay specifications (see beamer documentation for details). I use several of them here. One major difference is that the content of \only{} does not occupy space while not shown, but the others do. Using \only{} can cause material to move around on a frame, but can be useful when replacing one thing with another. Another difference is the content of \onslide{} and \uncover{} can be hidden to varying degrees, depending on the setting of \setbeamercovered{}.

\documentclass{beamer}
\setbeamercovered{transparent}
\begin{document}
\begin{frame}
\frametitle{Title}
\begin{enumerate}
   \item Item1: \only<2->{text1}
   \item Item2: \onslide<3->{text2}
   \item Item4: \uncover<4->{text3}
   \item Item3: \visible<5->{text4}
\end{enumerate}
\end{frame}
\end{document}

enter image description here

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