class="extype">Boolean</span></span>, <span name="msg">msg: =&gt; <span name="scala.Any" class="extype">Any</span></span>)</span><span class="result">: <a href="" name="provingground.translation.Statement.Definition" id="provingground.translation.Statement.Definition" class="extype">Definition</a>[<span name="provingground.translation.Statement.Definition.S" class="extype">S</span>, <span name="provingground.translation.Statement.Definition.E" class="extype">E</span>]</span></span><div class="fullcomment"><