X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fdelayed_updating%2Freduction%2Fdfr_lift.ma;h=9478f78bcbb9d2e7791d3e1f5b448064f210825b;hb=119da3f9ce130f7c4e8b23fcc491d221472ad657;hp=830dbd640339a7b8711d7197d46aeeccfc84006c;hpb=829e3a8af3229c4e625245f7265dd67939da98c4;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/reduction/dfr_lift.ma b/matita/matita/contribs/lambdadelta/delayed_updating/reduction/dfr_lift.ma
index 830dbd640..9478f78bc 100644
--- a/matita/matita/contribs/lambdadelta/delayed_updating/reduction/dfr_lift.ma
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/reduction/dfr_lift.ma
@@ -25,10 +25,10 @@ include "delayed_updating/substitution/lift_rmap_closed.ma".
 (* Constructions with lift **************************************************)
 
 theorem dfr_lift_bi (f) (t1) (t2) (r):
-        t1 ➡𝐝𝐟[r] t2 → ↑[f]t1 ➡𝐝𝐟[↑[f]r] ↑[f]t2.
+        t1 ➡𝐝𝐟[r] t2 → 🠡[f]t1 ➡𝐝𝐟[🠡[f]r] 🠡[f]t2.
 #f #t1 #t2 #r
 * #p #q #n #Hr #Hn #Ht1 #Ht2 destruct
-@(ex4_3_intro … (↑[f]p) (↑[↑[p◖𝗔◖𝗟]f]q) ((↑[p●𝗔◗𝗟◗q]f)＠§❨n❩))
+@(ex4_3_intro … (🠡[f]p) (🠡[🠢[f](p◖𝗔◖𝗟)]q) (🠢[f](p●𝗔◗𝗟◗q)＠§❨n❩))
 [ -Hn -Ht1 -Ht2 //
 | -Ht1 -Ht2
   /2 width=1 by lift_path_rmap_closed_L/
@@ -43,7 +43,7 @@ theorem dfr_lift_bi (f) (t1) (t2) (r):
   @(subset_eq_canc_sn … (lift_term_grafted_S …))
   @lift_term_eq_repl_sn
 (* Note: crux of the proof begins *)
-  /2 width=1 by tls_succ_lift_rmap_append_L_closed_dx/
+  /2 width=2 by tls_succ_lift_rmap_append_closed_Lq_dx/
 (* Note: crux of the proof ends *)
 ]
 qed.