xtype">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.translation.Statement#appendTo" group="Ungrouped" fullComment="yes" data-isabs="false" visbl="pub"><a id="appendTo[D](doc:D)(implicitdw:provingground.translation.MathWriter[D,E]):D"></a><a id="appendTo[D](D)(MathWriter[D,E]):D"></a> <span class="permalink"><a href="../../provingground/translation/Statement$$Defin