round.HoTT.Term):provingground.induction.ExstInducStrucs"></a><a id="subs(Term,Term):ExstInducStrucs"></a> <span class="permalink"><a href="../../provingground/induction/ExstInducStrucs.html#subs(x:provingground.HoTT.Term,y:provingground.HoTT.Term):provingground.induction.ExstInducStrucs" title="Permalink"><i class="material-icons"></i></a></span> <span class="modifier_kind"><span class="modifier">abstract </span> <span class="kind">def</span></span> <span class="symbol"><span class="name">subs</span><sp