fact: Definition lambda_calculus_ind_var {L : lambda_calculus} {A f_var f_app f_abs f_subst f_paths n} (i : stn n) : lambda_calculus_ind (L := L) A f_var f_app f_abs f_subst f_paths n (var i) = f_var _ i := pr12 L A f_var f_app f_abs f_subst f_paths n i.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.Combinatorics.StandardFiniteSets UniMath.Combinatorics.Tuples