update in ground

[helm.git] / matita / matita / contribs / lambdadelta / basic_2A / substitution / lift_vector.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2A/substitution/lift_vector.ma b/matita/matita/contribs/lambdadelta/basic_2A/substitution/lift_vector.ma
index d6266974690f4c1ba408d2f52dc65fa4fa0c5369..dabf8550582f44a94acddf42e24de0e18675cbbe 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2A/substitution/lift_vector.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2A/substitution/lift_vector.ma
@@ -18,7 +18,7 @@ include "basic_2A/substitution/lift.ma".
 (* BASIC TERM VECTOR RELOCATION *********************************************)
 
 inductive liftv (l,m:nat) : relation (list term) ≝
-| liftv_nil : liftv l m (â\92º) (â\92º)
+| liftv_nil : liftv l m (â\93\94) (â\93\94)
 | liftv_cons: ∀T1s,T2s,T1,T2.
               ⬆[l, m] T1 ≡ T2 → liftv l m T1s T2s →
               liftv l m (T1 ⨮ T1s) (T2 ⨮ T2s)
@@ -28,12 +28,12 @@ interpretation "relocation (vector)" 'RLift l m T1s T2s = (liftv l m T1s T2s).
 
 (* Basic inversion lemmas ***************************************************)
 
-fact liftv_inv_nil1_aux: â\88\80T1s,T2s,l,m. â¬\86[l, m] T1s â\89¡ T2s â\86\92 T1s = â\92º â\86\92 T2s = â\92º.
+fact liftv_inv_nil1_aux: â\88\80T1s,T2s,l,m. â¬\86[l, m] T1s â\89¡ T2s â\86\92 T1s = â\93\94 â\86\92 T2s = â\93\94.
 #T1s #T2s #l #m * -T1s -T2s //
 #T1s #T2s #T1 #T2 #_ #_ #H destruct
 qed-.
 
-lemma liftv_inv_nil1: â\88\80T2s,l,m. â¬\86[l, m] â\92º â\89¡ T2s â\86\92 T2s = â\92º.
+lemma liftv_inv_nil1: â\88\80T2s,l,m. â¬\86[l, m] â\93\94 â\89¡ T2s â\86\92 T2s = â\93\94.
 /2 width=5 by liftv_inv_nil1_aux/ qed-.
 
 fact liftv_inv_cons1_aux: ∀T1s,T2s,l,m. ⬆[l, m] T1s ≡ T2s →