gground.translation.FreeExpr" title="Permalink"><i class="material-icons"></i></a></span> <span class="modifier_kind"><span class="modifier"></span> <span class="kind">val</span></span> <span class="symbol"><span class="name">variable</span><span class="result">: <a href="FreeExpr.html" name="provingground.translation.FreeExpr" id="provingground.translation.FreeExpr" class="extype">FreeExpr</a></span></span></li><li class="indented0 " name="scala.AnyRef#wait" group="Ungrouped" fullComment="yes" data-isab