round.HoTT.Term,provingground.HoTT.Term]" title="Permalink"><i class="material-icons"></i></a></span> <span class="modifier_kind"><span class="modifier"></span> <span class="kind">def</span></span> <span class="symbol"><span class="name">apply</span><span class="params">(<span name="x">x: <a href="HoTT$$Term.html" name="provingground.HoTT.Term" id="provingground.HoTT.Term" class="extype">Term</a></span>, <span name="y">y: <a href="HoTT$$Term.html" name="provingground.HoTT.Term" id="provingground.HoTT.Ter