on" class="extype">Option</span>[<a href="HoTTMessages$$Proved.html" name="provingground.learning.HoTTMessages.Proved" id="provingground.learning.HoTTMessages.Proved" class="extype">Proved</a>]</span></span></li><li class="indented0 " name="scala.Predef.StringFormat#formatted" group="Ungrouped" fullComment="yes" data-isabs="false" visbl="pub"><a id="formatted(fmtstr:String):String"></a><a id="formatted(String):String"></a> <span class="permalink"><a href="../../provingground/learning/HoTTMessages$$ProofLamb