X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fmultiple%2Flifts_vector.ma;h=c285d520aa4ae2cc0a7d1cdfd16603f184fb1595;hb=43282d3750af8831c8100c60d75c56fdfb7ff3c9;hp=d6878c0a1e263054cd098380f62e8c990608340b;hpb=6c985e4e2e7846a2b9abd0c84569f21c24e9ce2f;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/multiple/lifts_vector.ma b/matita/matita/contribs/lambdadelta/basic_2/multiple/lifts_vector.ma
index d6878c0a1..c285d520a 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/multiple/lifts_vector.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/multiple/lifts_vector.ma
@@ -20,7 +20,7 @@ include "basic_2/multiple/lifts.ma".
 inductive liftsv (des:list2 nat nat) : relation (list term) ≝
 | liftsv_nil : liftsv des (◊) (◊)
 | liftsv_cons: ∀T1s,T2s,T1,T2.
-               ⇧*[des] T1 ≡ T2 → liftsv des T1s T2s →
+               ⬆*[des] T1 ≡ T2 → liftsv des T1s T2s →
                liftsv des (T1 @ T1s) (T2 @ T2s)
 .
 
@@ -30,8 +30,8 @@ interpretation "generic relocation (vector)"
 (* Basic inversion lemmas ***************************************************)
 
 (* Basic_1: was: lifts1_flat (left to right) *)
-lemma lifts_inv_applv1: ∀V1s,U1,T2,des. ⇧*[des] Ⓐ V1s. U1 ≡ T2 →
-                        ∃∃V2s,U2. ⇧*[des] V1s ≡ V2s & ⇧*[des] U1 ≡ U2 &
+lemma lifts_inv_applv1: ∀V1s,U1,T2,des. ⬆*[des] Ⓐ V1s. U1 ≡ T2 →
+                        ∃∃V2s,U2. ⬆*[des] V1s ≡ V2s & ⬆*[des] U1 ≡ U2 &
                                   T2 = Ⓐ V2s. U2.
 #V1s elim V1s -V1s normalize
 [ #T1 #T2 #des #HT12  
@@ -46,8 +46,8 @@ qed-.
 (* Basic properties *********************************************************)
 
 (* Basic_1: was: lifts1_flat (right to left) *)
-lemma lifts_applv: ∀V1s,V2s,des. ⇧*[des] V1s ≡ V2s →
-                   ∀T1,T2. ⇧*[des] T1 ≡ T2 →
-                   ⇧*[des] Ⓐ V1s. T1 ≡ Ⓐ V2s. T2.
+lemma lifts_applv: ∀V1s,V2s,des. ⬆*[des] V1s ≡ V2s →
+                   ∀T1,T2. ⬆*[des] T1 ≡ T2 →
+                   ⬆*[des] Ⓐ V1s. T1 ≡ Ⓐ V2s. T2.
 #V1s #V2s #des #H elim H -V1s -V2s /3 width=1 by lifts_flat/
 qed.