(* Properties with test for t-transition counter ****************************)
-lemma ist_zero_shift: â\88\80c. ð\9d\90\93â¦\830,câ¦\84 â\86\92 ð\9d\90\93â¦\830,â\86\95*câ¦\84.
+lemma ist_zero_shift: â\88\80c. ð\9d\90\93â\9dª0,câ\9d« â\86\92 ð\9d\90\93â\9dª0,â\86\95*câ\9d«.
#c #H destruct //
qed.
(* Inversion properties with test for t-transition counter ******************)
-lemma ist_inv_shift: â\88\80n,c. ð\9d\90\93â¦\83n,â\86\95*câ¦\84 â\86\92 â\88§â\88§ ð\9d\90\93â¦\830,câ¦\84 & 0 = n.
+lemma ist_inv_shift: â\88\80n,c. ð\9d\90\93â\9dªn,â\86\95*câ\9d« â\86\92 â\88§â\88§ ð\9d\90\93â\9dª0,câ\9d« & 0 = n.
#n #c #H
elim (shift_inv_dx … H) -H #rt0 #rs0 #ti0 #ts0 #H1 #_ #H2 #H3 #H4 destruct
elim (max_inv_O3 … H1) -H1 #H11 #H12 destruct
/2 width=1 by conj/
qed-.
-lemma ist_inv_zero_shift: â\88\80c. ð\9d\90\93â¦\830,â\86\95*câ¦\84 â\86\92 ð\9d\90\93â¦\830,câ¦\84.
+lemma ist_inv_zero_shift: â\88\80c. ð\9d\90\93â\9dª0,â\86\95*câ\9d« â\86\92 ð\9d\90\93â\9dª0,câ\9d«.
#c #H elim (ist_inv_shift … H) -H //
qed-.