an class="kind">val</span></span> <span class="symbol"><span class="name">intros</span><span class="result">: <span name="scala.collection.immutable.List" class="extype">List</span>[<span name="scala.Nothing" class="extype">Nothing</span>]</span></span><div class="fullcomment"><dl class="attributes block"><dt>Definition Classes</dt><dd><a href="" name="provingground.induction.coarse.ConstructorSeq.Empty" id="provingground.induction.coarse.ConstructorSeq.Empty" class="extype">Empty</a> → <a href="Construct