rendering lists and trees.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="RetractPropositionAction.html">RetractPropositionAction</A></B></TD>
<TD>Action used for retracting a proposition.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="SaveModuleAction.html">SaveModuleAction</A></B></TD>
<TD>Action for saving a module.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="ScrapbookFrame.html">ScrapbookFrame</A>