update in basic_2 and ground_2

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / static / lfeq.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/static/lfeq.ma b/matita/matita/contribs/lambdadelta/basic_2/static/lfeq.ma
index 684e57370908a1ac8abdd71a4b1b5b0c4d225043..f108bc5af9f5bc2fe04fe8bad7c102da228036ff 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/static/lfeq.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/static/lfeq.ma
@@ -12,7 +12,7 @@
 (*                                                                        *)
 (**************************************************************************)
 
-include "basic_2/notation/relations/lazyeqsn_3.ma".
+include "basic_2/notation/relations/ideqsn_3.ma".
 include "basic_2/static/lfxs.ma".
 
 (* SYNTACTIC EQUIVALENCE FOR LOCAL ENVIRONMENTS ON REFERRED ENTRIES *********)
@@ -23,7 +23,7 @@ definition lfeq: relation3 term lenv lenv ≝
 
 interpretation
    "syntactic equivalence on referred entries (local environment)"
-   'LazyEqSn T L1 L2 = (lfeq T L1 L2).
+   'IdEqSn T L1 L2 = (lfeq T L1 L2).
 
 (* Note: "lfeq_transitive R" is equivalent to "lfxs_transitive ceq R R" *)
 (* Basic_2A1: uses: lleq_transitive *)
@@ -76,8 +76,8 @@ qed-.
 
 (* Basic_properties *********************************************************)
 
-lemma frees_lfeq_conf: â\88\80f,L1,T. L1 â\8a¢ ð\9d\90\85*â¦\83Tâ¦\84 â\89¡ f →
-                       â\88\80L2. L1 â\89¡[T] L2 â\86\92 L2 â\8a¢ ð\9d\90\85*â¦\83Tâ¦\84 â\89¡ f.
+lemma frees_lfeq_conf: â\88\80f,L1,T. L1 â\8a¢ ð\9d\90\85*â¦\83Tâ¦\84 â\89\98 f →
+                       â\88\80L2. L1 â\89¡[T] L2 â\86\92 L2 â\8a¢ ð\9d\90\85*â¦\83Tâ¦\84 â\89\98 f.
 #f #L1 #T #H elim H -f -L1 -T
 [ /2 width=3 by frees_sort/
 | #f #i #Hf #L2 #H2