<?xml version="1.0" encoding="UTF-8"?>
<page xmlns="http://lambdadelta.info/"
- description = "lambdadelta version 2"
- title = "lambdadelta version 2"
+ description = "\lambda\delta version 2"
+ title = "\lambda\delta version 2"
head = "cic:/matita/lambdadelta/basic_2/ (λδ version 2)"
>
+<!--
<section>System's Syntax and Behavior</section>
<body>This is a summary of the "block structure"
of the System's syntactic items and reductions.
*** In global environments only.
**** Sort level k in terms only.
</body>
+-->
<section>Summary of the Specification</section>
<body>Here is a numerical acount of the specification's contents
for native type assignment.
</news>
<news date="In progress.">
- Closure of context-sensitive extended computation
- for native validity.
+ Closure of native validity
+ for context-sensitive extended computation.
+ </news>
+ <news date="2014 April 16.">
+ lazy equivalence on local environments
+ serves as irrelevant step in "big tree" computation
+ (anniversary milestone).
+ </news>
+ <news date="2014 January 20.">
+ Parametrized slicing for local environments
+ comprises both versions of this operation
+ (one from basic_1, the other used in basic_2 till now).
</news>
<news date="2013 August 7.">
Passive support for global environments.
Confluence for context-free parallel reduction on closures.
</news>
<news date="2012 July 26.">
- Term binders polarized to control ζ-reduction.
+ Term binders polarized to control ζ-reduction (not released).
</news>
<news date="2012 April 16.">
Context-sensitive subject equivalence
projects / helm.git / blobdiff