(* Constructions with pr_tls ************************************************)
(*** isdiv_tls *)
-lemma pr_isd_tls (n) (g): ð\9d\9b\80â\9dªgâ\9d« â\86\92 ð\9d\9b\80â\9dªâ«°*[n]gâ\9d«.
+lemma pr_isd_tls (n) (g): ð\9d\9b\80â\9d¨gâ\9d© â\86\92 ð\9d\9b\80â\9d¨â«°*[n]gâ\9d©.
#n @(nat_ind_succ … n) -n /3 width=1 by pr_isd_tl/
qed.