informalequation — A displayed mathematical equation without a title.
An informalequation is usually a mathematical equation or a group of related mathematical equations.
Formatted as a displayed block.
These elements contain informalequation: acknowledgements, answer, appendix, article, bibliodiv, bibliography, bibliolist, blockquote, callout, calloutlist, caption, chapter, colophon, cover, dedication, dialogue, drama, entry, example, figure, footnote, glossary, glossdef, glossdiv, glosslist, index, informalexample, informalfigure, itemizedlist, legalnotice, linegroup, listitem, note, orderedlist, para, partintro, poetry, preface, procedure, qandadiv, qandaset, question, revdescription, section, setindex, sidebar, simplesect, step, taskprerequisites, taskrelated, tasksummary, textobject, toc, variablelist.
The following elements occur in informalequation: alt, caption, info (db.titleforbidden.info), mathphrase, mediaobject, mml:*.
equation, example, figure, informalexample, informalfigure, informaltable, inlineequation, subscript, superscript, table
1 <article xmlns='http://docbook.org/ns/docbook'> 2 <title>Example informalequation</title> 4 <para>The equation <informalequation> 6 <alt>e^(pi*i) + 1 = 0</alt> <mediaobject> 8 <imageobject condition="print"> <imagedata fileref="figs/print/db5d_refeqn02.pdf"/> 10 </imageobject> <imageobject condition="web"> 12 <imagedata fileref="figs/web/db5d_refeqn02.png"/> </imageobject> 14 </mediaobject> </informalequation> 16 is delightful because it joins together five of the most important mathematical constants. 18 </para> 20 </article>
The equation
