X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fsyntax%2Ftdeq_ext.ma;h=096f2420d43c6ddab3373e3a742def1efcd22788;hb=21827c7db90ddb4fd30adec6becd94e201898f9c;hp=c4ed53ed073eab1357c5f7a9bf1dbd302080095b;hpb=86d7622f88247d83b2c366a722d2994a4af91929;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/syntax/tdeq_ext.ma b/matita/matita/contribs/lambdadelta/basic_2/syntax/tdeq_ext.ma
index c4ed53ed0..096f2420d 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/syntax/tdeq_ext.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/syntax/tdeq_ext.ma
@@ -12,20 +12,29 @@
 (*                                                                        *)
 (**************************************************************************)
 
+include "basic_2/notation/relations/lazyeq_5.ma".
 include "basic_2/syntax/tdeq.ma".
 include "basic_2/syntax/lenv_ext2.ma".
 
 (* EXTENDED DEGREE-BASED EQUIVALENCE ****************************************)
 
-definition cdeq: ∀h. sd h → relation3 lenv term term ≝
-                 λh,o,L. tdeq h o.
-
 definition tdeq_ext: ∀h. sd h → relation bind ≝
                      λh,o. ext2 (tdeq h o).
 
+definition cdeq: ∀h. sd h → relation3 lenv term term ≝
+                 λh,o,L. tdeq h o.
+
 definition cdeq_ext: ∀h. sd h → relation3 lenv bind bind ≝
                      λh,o. cext2 (cdeq h o).
 
 interpretation
-   "degree-based equivalence (binder)"
+   "context-free degree-based equivalence (binder)"
    'LazyEq h o I1 I2 = (tdeq_ext h o I1 I2).
+
+interpretation
+   "context-dependent degree-based equivalence (term)"
+   'LazyEq h o L T1 T2 = (cdeq h o L T1 T2).
+
+interpretation
+   "context-dependent degree-based equivalence (binder)"
+   'LazyEq h o L I1 I2 = (cdeq_ext h o L I1 I2).