update in ground_2, static_2, basic_2, apps_2, alpha_1

[helm.git] / matita / matita / contribs / lambdadelta / apps_2 / models / veq_lifts.ma

diff --git a/matita/matita/contribs/lambdadelta/apps_2/models/veq_lifts.ma b/matita/matita/contribs/lambdadelta/apps_2/models/veq_lifts.ma
index 943f8f5af9169bde5c8896aff7ce21d61c60f06f..2c624e69fa36f6b20010d02d8d295b1f6336d7ed 100644 (file)
--- a/matita/matita/contribs/lambdadelta/apps_2/models/veq_lifts.ma
+++ b/matita/matita/contribs/lambdadelta/apps_2/models/veq_lifts.ma
@@ -21,8 +21,8 @@ include "apps_2/models/veq.ma".
 (* Forward lemmas with generic relocation ***********************************)
 
 fact lifts_fwd_vpush_aux (M): is_model M → is_extensional M →
-                              â\88\80f,T1,T2. â¬\86*[f] T1 â\89\98 T2 â\86\92 â\88\80m. ð\9d\90\81â\9d´m,1â\9dµ = f →
-                              ∀gv,lv,d. ⟦T1⟧[gv, lv] ≗{M} ⟦T2⟧[gv, ⫯[m←d]lv].
+                              â\88\80f,T1,T2. â\87§*[f] T1 â\89\98 T2 â\86\92 â\88\80m. ð\9d\90\81â\9d¨m,1â\9d© = f →
+                              ∀gv,lv,d. ⟦T1⟧[gv,lv] ≗{M} ⟦T2⟧[gv,⫯[m←d]lv].
 #M #H1M #H2M #f #T1 #T2 #H elim H -f -T1 -T2
 [ #f #s #m #Hf #gv #lv #d
   @(mq … H1M) [4,5: /3 width=2 by seq_sym, ms/ |1,2: skip ]
@@ -40,6 +40,7 @@ fact lifts_fwd_vpush_aux (M): is_model M → is_extensional M →
   /2 width=1 by mr/
 | #f #p * #V1 #V2 #T1 #T2 #_ #_ #IHV #IHT #m #Hm #gv #lv #d destruct
   [ @(mq … H1M) [4,5: /3 width=2 by seq_sym, md/ |1,2: skip ]
+    @mc [3:|*: /2 width=1 by/ ]
     @(seq_trans … H1M)
     [3: @ti_comp // | skip ]
     [1,2: /2 width=2 by veq_refl/ ]
@@ -65,6 +66,6 @@ fact lifts_fwd_vpush_aux (M): is_model M → is_extensional M →
 qed-.
 
 lemma lifts_SO_fwd_vpush (M) (gv): is_model M → is_extensional M →
-                                   â\88\80T1,T2. â¬\86*[1] T1 ≘ T2 →
-                                   ∀lv,d. ⟦T1⟧[gv, lv] ≗{M} ⟦T2⟧[gv, ⫯[0←d]lv].
+                                   â\88\80T1,T2. â\87§*[1] T1 ≘ T2 →
+                                   ∀lv,d. ⟦T1⟧[gv,lv] ≗{M} ⟦T2⟧[gv,⫯[0←d]lv].
 /2 width=3 by lifts_fwd_vpush_aux/ qed-.