e="provingground.HoTT.Typ" id="provingground.HoTT.Typ" class="extype">Typ</a>[<span name="provingground.scalahott.ScalaUniv.FineSymbTyp.U" class="extype">U</span>]]</span></span><p class="shortcomment cmt">refine substitution so if x and y are both of certain forms such as
pairs or formal applications,
components are substituted.</p><div class="fullcomment"><div class="comment cmt"><p>refine substitution so if x and y are both of certain forms such as
pairs or formal applications,
components are substituted