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