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=9f2c61a6454c250e988694f0dce4289fb367e9f2;hb=499eb9f9a3107c6ee4edd7b6830a1cc1b054bbe2;hp=0908b1e0a017d4454141a7d79712ed6017732a67;hpb=3cb5a8e407f0a783c27a4165187578aae980bc39;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 0908b1e0a..9f2c61a64 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
@@ -27,21 +27,33 @@
          pp. 53-78].
    </body>
    <table name="basic_2_sum"/>
+
+   <subsection>Stage "B"</subsection>
    <news date="In progress.">
          Context-sensitive subject equivalence
          for native type assignment.
    </news>
-   <news date="In progress.">
-         Closure of native validity
-	 for context-sensitive extended computation.
+
+   <subsection>Stage "A": "Weakening the Applicability Condition"</subsection>
+   <news date="2014 September 9.">
+         Iterated static type assignment defined (more elegantly)
+         as a primitive notion.
+   </news>
+   <news date="2014 June 18.">
+         Preservation of stratified native validity
+         for context-sensitive computation on terms.
+   </news>
+   <news date="2014 June 9.">
+         Strong qrst-normalization
+         for simply typed terms.
    </news>
    <news date="2014 April 16.">
-         lazy equivalence for local environments
-	 serves as irrelevant step in "big tree" computation
+         Lazy equivalence on local environments
+	 addded as q-step to rst-computation on closures
          (anniversary milestone).
    </news>
    <news date="2014 January 20.">
-         Parametrized slicing for local environments
+         Parametrized slicing of local environments
 	 comprises both versions of this operation
 	 (one from basic_1, the other used in basic_2 till now).
    </news>
@@ -49,10 +61,10 @@
          Passive support for global environments.
    </news>
    <news date="2013 July 27.">
-         Reaxiomatized β-reductum as in extended β-reduction
+         Reaxiomatized β-reductum as in rt-reduction.
    </news>
    <news date="2013 July 20.">
-         Context-sensitive extended strong normalization
+         Context-sensitive strong rt-normalization
          for simply typed terms.
    </news>
    <news date="2013 April 16.">
@@ -62,7 +74,7 @@
    </news>
    <news date="2013 March 16.">
          Mutual recursive preservation of stratified native validity
-         for "big tree" computation on closures.
+         for rst-computation on closures.
    </news>
    <news date="2012 October 16.">
          Confluence for context-free parallel reduction on closures.