matita/matita/contribs/lambdadelta/basic_2/web/basic_2.ldw.xml

   1 <?xml version="1.0" encoding="UTF-8"?>
   2
   3 <page xmlns="http://lambdadelta.info/"
   4       description = "\lambda\delta home page"
   5       title = "\lambda\delta home page"
   6       head = "cic:/matita/lambdadelta/basic_2/ (core λδ version 2)"
   7 >
   8    <sitemap name="sitemap"/>
   9 <!--
  10    <section>System's Syntax and Behavior</section>
  11    <body>This is a summary of the "block structure"
  12          of the System's syntactic items and reductions.
  13    </body>
  14    <table name="basic_2_blk"/>
  15    <body>* In terms only.
  16          ** In terms and local environments only.
  17          *** In global environments only.
  18          **** Sort level k in terms only.
  19    </body>
  20 -->
  21
  22    <section4 name="summary">Summary of the Specification</section4>
  23    <body>Here is a numerical acount of the specification's contents
  24          and its timeline.
  25    </body>
  26    <table name="basic_2_sum"/>
  27
  28    <subsection name="B">Stage "B"</subsection>
  29    <news class="alpha" date="Ongoing.">
  30          Context-sensitive subject equivalence
  31          for native type assignment.
  32    </news>
  33
  34    <subsection name="A">Stage "A": "Extending the Applicability Condition"</subsection>
  35    <news class="gamma" date="2014 October 28.">
  36          λδ version 2A is released.
  37    </news>
  38    <news class="beta" date="2014 September 9.">
  39          Iterated static type assignment defined (more elegantly)
  40          as a primitive notion.
  41    </news>
  42    <news class="beta" date="2014 June 18.">
  43          Preservation of stratified native validity
  44          for context-sensitive computation on terms.
  45    </news>
  46    <news class="alpha" date="2014 June 9.">
  47          Strong qrst-normalization
  48          for simply typed terms.
  49    </news>
  50    <news class="alpha" date="2014 April 16.">
  51          Lazy equivalence on local environments
  52          addded as q-step to rst-computation on closures
  53          (anniversary milestone).
  54    </news>
  55    <news class="alpha" date="2014 January 20.">
  56          Parametrized slicing of local environments
  57          comprises both versions of this operation
  58          (one from basic_1, the other used in basic_2 till now).
  59    </news>
  60    <news class="alpha" date="2013 August 7.">
  61          Passive support for global environments.
  62    </news>
  63    <news class="alpha" date="2013 July 27.">
  64          Reaxiomatized β-reductum as in rt-reduction.
  65    </news>
  66    <news class="alpha" date="2013 July 20.">
  67          Context-sensitive strong rt-normalization
  68          for simply typed terms.
  69    </news>
  70    <news class="alpha" date="2013 April 16.">
  71          Reaxiomatized substitution and reduction
  72          commute with respect to subclosure
  73          (anniversary milestone).
  74    </news>
  75    <news class="alpha" date="2013 March 16.">
  76          Mutual recursive preservation of stratified native validity
  77          for rst-computation on closures.
  78    </news>
  79    <news class="alpha" date="2012 October 16.">
  80          Confluence for context-free parallel reduction on closures.
  81    </news>
  82    <news class="alpha" date="2012 July 26.">
  83          Term binders polarized to control ζ-reduction (not released).
  84    </news>
  85    <news class="alpha" date="2012 April 16.">
  86          Context-sensitive subject equivalence
  87          for atomic arity assignment
  88          (anniversary milestone).
  89    </news>
  90    <news class="alpha" date="2012 March 15.">
  91          Context-sensitive strong normalization
  92          for simply typed terms.
  93    </news>
  94    <news class="alpha" date="2012 January 27.">
  95          Support for abstract candidates of reducibility.
  96    </news>
  97    <news class="alpha" date="2011 September 21.">
  98          Confluence for context-sensitive parallel reduction on terms.
  99    </news>
 100    <news class="alpha" date="2011 September 6.">
 101          Confluence for context-free parallel reduction on terms.
 102    </news>
 103    <news class="alpha" date="2011 April 17.">
 104          Specification starts.
 105    </news>
 106
 107    <section4 name="structure">Logical Structure of the Specification</section4>
 108    <body>This table reports the specification's components and their planes.
 109    </body>
 110    <table name="basic_2_src"/>
 111
 112    <footer/>
 113 </page>