(* Constructions with pr_pushs **********************************************)
(*** isid_pushs *)
-lemma pr_isi_pushs (n) (f): ð\9d\90\88â\9dªfâ\9d« â\86\92 ð\9d\90\88â\9dªâ«¯*[n]fâ\9d«.
+lemma pr_isi_pushs (n) (f): ð\9d\90\88â\9d¨fâ\9d© â\86\92 ð\9d\90\88â\9d¨â«¯*[n]fâ\9d©.
#n @(nat_ind_succ … n) -n /3 width=3 by pr_isi_push/
qed.
(* Inversions with pr_pushs *************************************************)
(*** isid_inv_pushs *)
-lemma pr_isi_inv_pushs (n) (g): ð\9d\90\88â\9dªâ«¯*[n]gâ\9d« â\86\92 ð\9d\90\88â\9dªgâ\9d«.
+lemma pr_isi_inv_pushs (n) (g): ð\9d\90\88â\9d¨â«¯*[n]gâ\9d© â\86\92 ð\9d\90\88â\9d¨gâ\9d©.
#n @(nat_ind_succ … n) -n /3 width=3 by pr_isi_inv_push/
qed-.