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 October 17.">
  38          Exclusion binder in local environments.
  39          Syntactic component updated:
  40          syntax, relocation, s_transition, s_computation, static, i_static.
  41    </news>
  42    <news class="alpha" date="2017 April 16.">
  43          Strong rt-normalization
  44          for simply typed terms
  45          (anniversary milestone).
  46    </news>
  47    <news class="alpha" date="2017 March 16.">
  48          First behavioral component reconstructed:
  49          rt_transition.
  50    </news>
  51    <news class="alpha" date="2017 February 19.">
  52          Generic candidates of reducibility.
  53    </news>
  54    <news class="alpha" date="2017 January 17.">
  55          Confluence for parallel r-transition on referred entries of local environments.
  56    </news>
  57    <news class="alpha" date="2016 September 15.">
  58          Confluence for context-sensitive parallel r-transition on terms.
  59    </news>
  60    <news class="alpha" date="2016 April 16.">
  61          Syntactic component reconstructed:
  62          syntax, relocation, s_transition, s_computation, static
  63          (anniversary milestone).
  64    </news>
  65    <news class="alpha" date="2016 March 25.">
  66          Relocation with reference transforming maps (rtmap).
  67    </news>
  68    <news class="alpha" date="2015 October 9.">
  69          λδ version 2A2 is started.
  70    </news>
  71
  72    <subsection name="A1">Stage "A1": "Extending the Applicability Condition"</subsection>
  73    <news class="delta" date="2015 August 27.">
  74          λδ version 2A1 appears too complex and is dismissed.
  75    </news>
  76    <news class="gamma" date="2014 October 28.">
  77          λδ version 2A1 is released.
  78    </news>
  79    <news class="beta" date="2014 September 9.">
  80          Iterated static type assignment defined (more elegantly)
  81          as a primitive notion.
  82    </news>
  83    <news class="beta" date="2014 June 18.">
  84          Preservation of stratified native validity
  85          for context-sensitive computation on terms.
  86    </news>
  87    <news class="alpha" date="2014 June 9.">
  88          Strong qrst-normalization
  89          for simply typed terms.
  90    </news>
  91    <news class="alpha" date="2014 April 16.">
  92          Lazy equivalence on local environments
  93          added as q-step to rst-computation on closures
  94          (anniversary milestone).
  95    </news>
  96    <news class="alpha" date="2014 January 20.">
  97          Parametrized slicing on local environments
  98          comprises both versions of this operation
  99          (one from basic_1, the other used in basic_2 till now).
 100    </news>
 101    <news class="alpha" date="2013 August 7.">
 102          Passive support for global environments.
 103    </news>
 104    <news class="alpha" date="2013 July 27.">
 105          Reaxiomatized β-reductum as in rt-reduction.
 106    </news>
 107    <news class="alpha" date="2013 July 20.">
 108          Context-sensitive strong rt-normalization
 109          for simply typed terms.
 110    </news>
 111    <news class="alpha" date="2013 April 16.">
 112          Reaxiomatized substitution and reduction
 113          commute with respect to subclosure
 114          (anniversary milestone).
 115    </news>
 116    <news class="alpha" date="2013 March 16.">
 117          Mutual recursive preservation of stratified native validity
 118          for rst-computation on closures.
 119    </news>
 120    <news class="alpha" date="2012 October 16.">
 121          Confluence for context-free parallel reduction on closures.
 122    </news>
 123    <news class="alpha" date="2012 July 26.">
 124          Term binders polarized to control ζ-reduction (not released).
 125    </news>
 126    <news class="alpha" date="2012 April 16.">
 127          Context-sensitive subject equivalence
 128          for atomic arity assignment
 129          (anniversary milestone).
 130    </news>
 131    <news class="alpha" date="2012 March 15.">
 132          Context-sensitive strong normalization
 133          for simply typed terms.
 134    </news>
 135    <news class="alpha" date="2012 January 27.">
 136          Generic candidates of reducibility.
 137    </news>
 138    <news class="alpha" date="2011 September 21.">
 139          Confluence for context-sensitive parallel reduction on terms.
 140    </news>
 141    <news class="alpha" date="2011 September 6.">
 142          Confluence for context-free parallel reduction on terms.
 143    </news>
 144    <news class="alpha" date="2011 April 17.">
 145          λδ version 2 is started.
 146    </news>
 147
 148    <section4 name="structure">Logical Structure of the Specification</section4>
 149    <body>This table reports the specification's components and their planes.
 150    </body>
 151    <table name="basic_2_src"/>
 152
 153    <footer/>
 154 </page>