lass="modifier"></span> <span class="kind">def</span></span> <span class="symbol"><span class="name">subs</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="ScalaPolyRep.html" name="provingground.scalahott.ScalaPolyRep"