update in delayed_updating

[helm.git] / matita / matita / contribs / lambdadelta / delayed_updating / unwind / unwind2_prototerm_lift.ma

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 8d987dfb7759ae0338f9d050b5769a1ac89d740f..251d7ba72199c9bfcd93615c9edd395a6da63572 100644 (file)
--- 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.