milestone in basic_2

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / web / basic_2.ldw.xml

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 3aff8e423f73848c7ca05cf6e211207152b6032a..e1457f0b75bd1855207461c629369c0c446da0b0 100644 (file)
--- 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 +27,12 @@
    <table name="basic_2_sum"/>
 
    <subsection name="B">Stage "B"</subsection>
-<!-- 
-   <news class="alpha" date="Ongoing.">
-         Context-sensitive subject equivalence
-         for native type assignment.
+   <news class="beta" date="2019 March 25.">
+         Preservation of validity for rt-computation
+         does not need the sort degree parameter
+         (i.e. no induction on the degree).
    </news>
--->
-   <news class="alpha" date="2018 November 1.">
+   <news class="beta" date="2018 November 1.">
          Extended (λδ-2) and restricted (λδ-1) type rules justified.
    </news>
    <news class="alpha" date="2018 September 21.">