/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.Term" class="extype">Term</a></span>)</span><span class="result">: <a href="HoTT$$Term.html" name="provingground.HoTT.Term" id="provingground.HoTT.Term" class="extype">Term</a> with <a href="HoTT$$Subs.html" name="provingground.HoTT.Subs" id="proving