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   3      cases t pattern
   4     </code></strong></p><p>
   5       </p><div class="variablelist"><dl class="variablelist"><dt><span class="term">Synopsis:</span></dt><dd><p>
   6              <span class="bold"><strong>cases</strong></span>
   7              <span class="emphasis"><em><a class="link" href="sec_terms.html#grammar.term">term</a></em></span> <span class="emphasis"><em><a class="link" href="tacticargs.html#grammar.pattern">pattern</a></em></span>
   8             </p></dd><dt><span class="term">Pre-conditions:</span></dt><dd><p>
   9              <span class="command"><strong>t</strong></span> must inhabit an inductive type
  10             </p></dd><dt><span class="term">Action:</span></dt><dd><p>
  11              It proceed by cases on <span class="command"><strong>t</strong></span>. The new generated
  12              hypothesis in each branch are named according to
  13              <span class="command"><strong>hyps</strong></span>.
  14              The elimintation predicate is restricted by
  15              <span class="command"><strong>pattern</strong></span>. In particular, if some hypothesis
  16              is listed in <span class="command"><strong>pattern</strong></span>, the hypothesis is
  17              generalized and cleared before proceeding by cases on
  18              <span class="command"><strong>t</strong></span>. Currently, we only support patterns of the
  19              form <span class="command"><strong>H<sub>1</sub> … H<sub>n</sub> ⊢ %</strong></span>. This limitation will be lifted in the future.
  20             </p></dd><dt><span class="term">New sequents to prove:</span></dt><dd><p>One new sequent for each constructor of the type of
  21              <span class="command"><strong>t</strong></span>. Each sequent has a new hypothesis for
  22              each argument of the constructor.</p></dd></dl></div><p>
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