)(implicitmapper:provingground.induction.ConstructorSeqMapper[SS,C,H,RecType,InducType,Intros]):RecType" name="provingground.induction.ConstructorSeqTL#rec" id="provingground.induction.ConstructorSeqTL#rec" class="extmbr">rec</a> method and inductively using the <a href="#induc[C&lt;:provingground.HoTT.Termwithprovingground.HoTT.Subs[C],RecType&lt;:provingground.HoTT.Termwithprovingground.HoTT.Subs[RecType],InducType&lt;:provingground.HoTT.Termwithprovingground.HoTT.Subs[InducType]](Xs:provingground.HoTT.Fu