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</p><div class="variablelist"><dl><dt><span class="term">Pre-conditions:</span></dt><dd><p>The conclusion of the current sequent must be
an inductive type or the application of an inductive type with
at least one constructor.</p></dd><dt><span class="term">Action:</span></dt><dd><p>Equivalent to <span><strong class="command">constructor 1</strong></span>.</p></dd><dt><span class="term">New sequents to prove:</span></dt><dd><p>It opens a new sequent for each premise of the first
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