Beamer Tutorial
Overlays
Overlay Specifications - Special Commands
\alt<1,2> Takes two arguments: one for the default text
and a second for the alternate text. The
default text shows up on the specified slides.
The alternate text shows up on all unspecified
slides.
\temporal<1,2> Takes three arguments: one for the text that
will appear if the current slide comes before
the specified slides, a second for the text that
appears while currently on the specified slides,
and a third for the text that appears after the
specified slides have appeared.
\uncover<1,2> The text will only be ”uncovered” on the
specified slides. On other slides, the text will
still be typeset and will appear transparent.