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       logo = "crux"
   7       head = "cic:/matita/lambdadelta/basic_2/ (core λδ version 2)"
   8 >
   9    <sitemap name="sitemap"/>
  10 <!--
  11    <section>System's Syntax and Behavior</section>
  12    <body>This is a summary of the "block structure"
  13          of the System's syntactic items and reductions.
  14    </body>
  15    <table name="basic_2_blk"/>
  16    <body>* In terms only.
  17          ** In terms and local environments only.
  18          *** In global environments only.
  19          **** Sort level k in terms only.
  20    </body>
  21 -->
  22
  23    <section4 name="summary">Summary of the Specification</section4>
  24    <body>Here is a numerical account of the specification's contents
  25          and its timeline.
  26    </body>
  27    <table name="basic_2_sum"/>
  28
  29    <subsection name="B">Stage "B"</subsection>
  30    <news class="alpha" date="Ongoing.">
  31          Context-sensitive subject equivalence
  32          for native type assignment.
  33    </news>
  34
  35    <subsection name="A2">Stage "A2": "Extending the Applicability Condition"</subsection>
  36
  37    <news class="alpha" date="2017 April 16.">
  38          Strong rt-normalization
  39          for simply typed terms
  40          (anniversary milestone).
  41    </news>
  42    <news class="alpha" date="2017 March 16.">
  43          First behavioral component reconstructed:
  44          rt_transition.
  45    </news>
  46    <news class="alpha" date="2017 February 19.">
  47          Generic candidates of reducibility.
  48    </news>
  49    <news class="alpha" date="2017 January 17.">
  50          Confluence for parallel r-transition on referred entries of local environments.
  51    </news>
  52    <news class="alpha" date="2016 September 15.">
  53          Confluence for context-sensitive parallel r-transition on terms.
  54    </news>
  55    <news class="alpha" date="2016 April 16.">
  56          Syntactic component reconstructed:
  57          syntax, relocation, s_transition, s_computation, static
  58          (anniversary milestone).
  59    </news>
  60    <news class="alpha" date="2016 March 25.">
  61          Relocation with reference transforming maps (rtmap).
  62    </news>
  63    <news class="alpha" date="2015 October 9.">
  64          λδ version 2A2 is started.
  65    </news>
  66
  67    <subsection name="A1">Stage "A1": "Extending the Applicability Condition"</subsection>
  68    <news class="delta" date="2015 August 27.">
  69          λδ version 2A1 appears too complex and is dismissed.
  70    </news>
  71    <news class="gamma" date="2014 October 28.">
  72          λδ version 2A1 is released.
  73    </news>
  74    <news class="beta" date="2014 September 9.">
  75          Iterated static type assignment defined (more elegantly)
  76          as a primitive notion.
  77    </news>
  78    <news class="beta" date="2014 June 18.">
  79          Preservation of stratified native validity
  80          for context-sensitive computation on terms.
  81    </news>
  82    <news class="alpha" date="2014 June 9.">
  83          Strong qrst-normalization
  84          for simply typed terms.
  85    </news>
  86    <news class="alpha" date="2014 April 16.">
  87          Lazy equivalence on local environments
  88          added as q-step to rst-computation on closures
  89          (anniversary milestone).
  90    </news>
  91    <news class="alpha" date="2014 January 20.">
  92          Parametrized slicing on local environments
  93          comprises both versions of this operation
  94          (one from basic_1, the other used in basic_2 till now).
  95    </news>
  96    <news class="alpha" date="2013 August 7.">
  97          Passive support for global environments.
  98    </news>
  99    <news class="alpha" date="2013 July 27.">
 100          Reaxiomatized β-reductum as in rt-reduction.
 101    </news>
 102    <news class="alpha" date="2013 July 20.">
 103          Context-sensitive strong rt-normalization
 104          for simply typed terms.
 105    </news>
 106    <news class="alpha" date="2013 April 16.">
 107          Reaxiomatized substitution and reduction
 108          commute with respect to subclosure
 109          (anniversary milestone).
 110    </news>
 111    <news class="alpha" date="2013 March 16.">
 112          Mutual recursive preservation of stratified native validity
 113          for rst-computation on closures.
 114    </news>
 115    <news class="alpha" date="2012 October 16.">
 116          Confluence for context-free parallel reduction on closures.
 117    </news>
 118    <news class="alpha" date="2012 July 26.">
 119          Term binders polarized to control ζ-reduction (not released).
 120    </news>
 121    <news class="alpha" date="2012 April 16.">
 122          Context-sensitive subject equivalence
 123          for atomic arity assignment
 124          (anniversary milestone).
 125    </news>
 126    <news class="alpha" date="2012 March 15.">
 127          Context-sensitive strong normalization
 128          for simply typed terms.
 129    </news>
 130    <news class="alpha" date="2012 January 27.">
 131          Generic candidates of reducibility.
 132    </news>
 133    <news class="alpha" date="2011 September 21.">
 134          Confluence for context-sensitive parallel reduction on terms.
 135    </news>
 136    <news class="alpha" date="2011 September 6.">
 137          Confluence for context-free parallel reduction on terms.
 138    </news>
 139    <news class="alpha" date="2011 April 17.">
 140          λδ version 2 is started.
 141    </news>
 142
 143    <section4 name="structure">Logical Structure of the Specification</section4>
 144    <body>This table reports the specification's components and their planes.
 145    </body>
 146    <table name="basic_2_src"/>
 147
 148    <footer/>
 149 </page>