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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 d8206ed98..5ebf0e0b3 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
@@ -19,6 +19,10 @@
Summary of the Specification
Here is a numerical acount of the specification's contents
and its timeline.
+ Nodes are counted according to the "intrinsinc complexity measure"
+ [F. Guidi: "Procedural Representation of CIC Proof Terms"
+ Journal of Automated Reasoning 44(1-2), Springer (February 2010),
+ pp. 53-78].
@@ -26,22 +30,33 @@
for native type assignment.
- Closure of extended context-sensitive computation
+ Closure of context-sensitive extended computation
for native validity.
-
- Extended context-sensitive strong normalization
+
+ Passive support for global environments.
+
+
+ Reaxiomatized β-reductum as in extended β-reduction
+
+
+ Context-sensitive extended strong normalization
for simply typed terms.
+
+ Reaxiomatized substitution and reduction
+ commute with respect to subclosure
+ (anniversary milestone).
+
Mutual recursive preservation of stratified native validity
- for hyper computation on closures.
+ for hyper computation on closures.
Confluence for context-free parallel reduction on closures.
- Term binders polarized to control ζ reduction.
+ Term binders polarized to control ζ-reduction.
Context-sensitive subject equivalence