X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fdelayed_updating%2Funwind%2Funwind2_prototerm_lift.ma;h=251d7ba72199c9bfcd93615c9edd395a6da63572;hb=f31020f1ae14e28c246b6cd9cf91b5864f4f536a;hp=8d987dfb7759ae0338f9d050b5769a1ac89d740f;hpb=a4cacf8e269910184348a037106551dbc8a46fd4;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/unwind/unwind2_prototerm_lift.ma b/matita/matita/contribs/lambdadelta/delayed_updating/unwind/unwind2_prototerm_lift.ma
index 8d987dfb7..251d7ba72 100644
--- a/matita/matita/contribs/lambdadelta/delayed_updating/unwind/unwind2_prototerm_lift.ma
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/unwind/unwind2_prototerm_lift.ma
@@ -18,22 +18,22 @@ include "delayed_updating/substitution/lift_prototerm.ma".
 include "delayed_updating/unwind/unwind2_path_lift.ma".
 include "delayed_updating/unwind/unwind2_prototerm.ma".
 
-(* UNWIND FOR PROTOTERM *****************************************************)
+(* TAILED UNWIND FOR PROTOTERM **********************************************)
 
 (* Constructions with lift_prototerm ****************************************)
 
 lemma lift_unwind2_term_after (f1) (f2) (t):
-      ↑[f2]▼[f1]t ⇔ ▼[f2∘f1]t.
+      🠡[f2]▼[f1]t ⇔ ▼[f2∘f1]t.
 #f1 #f2 #t @subset_eq_trans
 [| @subset_inclusion_ext_f1_compose ]
 @subset_equivalence_ext_f1_exteq #p
 @lift_unwind2_path_after
 qed.
 
-lemma unwind2_term_after_lift (f1) (f2) (t):
-      ▼[f2]↑[f1]t ⇔ ▼[f2∘f1]t.
+lemma unwind2_lift_term_after (f1) (f2) (t):
+      ▼[f2]🠡[f1]t ⇔ ▼[f2∘f1]t.
 #f1 #f2 #t @subset_eq_trans
 [| @subset_inclusion_ext_f1_compose ]
 @subset_equivalence_ext_f1_exteq #p
-@unwind2_path_after_lift
+@unwind2_lift_path_after
 qed.