X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fweb%2Fbasic_2.ldw.xml;h=a5c53bf3e17a212da07212849aec0276de36e8a5;hb=31be09cc0d040577917783e050e1d38c0daa8f01;hp=8bfc16d8ed8c327c191184211474820d4cfea6cf;hpb=38b251338be469c7bcd75cb9f243fad9ba8f0907;p=helm.git
diff --git a/matita/matita/contribs/lambdadelta/basic_2/web/basic_2.ldw.xml b/matita/matita/contribs/lambdadelta/basic_2/web/basic_2.ldw.xml
index 8bfc16d8e..a5c53bf3e 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/web/basic_2.ldw.xml
+++ b/matita/matita/contribs/lambdadelta/basic_2/web/basic_2.ldw.xml
@@ -27,13 +27,26 @@
Stage "B"
-
- Context-sensitive subject equivalence
- for native type assignment.
+
+ Extended (λδ-2) and restricted (λδ-1) validity is decidable
+ (anniversary milestone).
+
+
+ Preservation of validity for rt-computation
+ does not need the sort degree parameter
+ (i.e. no induction on the degree).
+
+
+ Extended (λδ-2) and restricted (λδ-1) type rules justified.
+
+
+ λδ-2A completed with
+ confluence of rt-computation and
+ preservation of validity for rt-computation.
+
+
+ Behavioral component rt_computation completed.
-
- Stage "A2": "Extending the Applicability Condition"
-
"Big tree" theorem
(anniversary milestone).
@@ -52,8 +65,7 @@
(anniversary milestone).
- First behavioral component completed:
- rt_transition.
+ Behavioral component rt_transition completed.
Generic candidates of reducibility.
@@ -73,15 +85,15 @@
Relocation with reference transforming maps (rtmap).
- λδ version 2A2 is started.
+ λδ-2B is started.
- Stage "A1": "Extending the Applicability Condition"
+ Stage "A"
- λδ version 2A1 appears too complex and is dismissed.
+ λδ-2A appears too complex and is dismissed.
- λδ version 2A1 is released.
+ λδ version 2A is released.
Iterated static type assignment defined (more elegantly)
@@ -149,7 +161,7 @@
Confluence for context-free parallel reduction on terms.
- λδ version 2 is started.
+ λδ-2A is started.
Logical Structure of the Specification