extype">ProdTyp</a> and sigma types <a href="HoTT$$SigmaTyp.html" name="provingground.HoTT.SigmaTyp" id="provingground.HoTT.SigmaTyp" class="extype">SigmaTyp</a>
-   Coproduct types <a href="HoTT$$PlusTyp.html" name="provingground.HoTT.PlusTyp" id="provingground.HoTT.PlusTyp" class="extype">PlusTyp</a>, the Unit type <a href="HoTT$$Unit$.html" name="provingground.HoTT.Unit" id="provingground.HoTT.Unit" class="extype">Unit</a> and the empty type <a href="HoTT$$Zero$.html" name="provingground.HoTT.Zero" id="p