span><span class="result">: <span name="scala.Boolean" class="extype">Boolean</span></span></span><div class="fullcomment"><dl class="attributes block"><dt>Definition Classes</dt><dd>AnyRef → Any</dd></dl></div></li><li class="indented0 " name="provingground.learning.GlobalProver#addVar" group="Ungrouped" fullComment="yes" data-isabs="false" visbl="pub"><a id="addVar(term:provingground.HoTT.Term,weight:Double):provingground.learning.GlobalProver[R]"></a><a id="addVar(Term,Double):GlobalProver[R]"></a> <sp