</body>
<table name="basic_2_sum"/>
- <subsection name="B">Stage "B"</subsection>
- <news class="gamma" date="2019 November 19.">
+ <news class="gamma" date="2020-02-27.">
+ λδ-2B is repackaged without λδ-ground-2.
+ </news>
+ <news class="gamma" date="2019-11-19.">
λδ-2B is released.
</news>
- <news class="beta" date="2019 September 3.">
+ <news class="beta" date="2019-09-03.">
Applicability condition is now parametrized
with a generic subset of numbers.
</news>
- <news class="beta" date="2019 June 2.">
+ <news class="beta" date="2019-06-02.">
Applicability condition parametrized
with an initial interval of numbers
allows λδ-2B to generalize both λδ-2A and λδ-1B.
</news>
- <news class="beta" date="2019 April 16.">
+ <news class="beta" date="2019-04-16.">
Extended (λδ-2A) and restricted (λδ-1B) validity is decidable
(anniversary milestone).
</news>
- <news class="beta" date="2019 March 25.">
+ <news class="beta" date="2019-03-25.">
Preservation of validity for rt-computation
does not need the sort degree parameter
(i.e. no induction on the degree).
</news>
- <news class="beta" date="2018 November 1.">
+ <news class="beta" date="2018-11-01.">
Extended (λδ-2A) and restricted (λδ-1B) validity rules justified.
</news>
- <news class="alpha" date="2018 September 21.">
+ <news class="alpha" date="2018-09-21.">
λδ-2A completed with
confluence of rt-computation and
preservation of validity for rt-computation.
</news>
- <news class="alpha" date="2018 June 8.">
+ <news class="alpha" date="2018-06-08.">
Behavioral component rt_computation completed.
</news>
- <news class="alpha" date="2018 April 16.">
+ <news class="alpha" date="2018-04-16.">
"Big tree" theorem
(anniversary milestone).
</news>
- <news class="alpha" date="2018 March 9.">
+ <news class="alpha" date="2018-03-09.">
Support for rt-computation completed.
</news>
- <news class="alpha" date="2017 October 17.">
+ <news class="alpha" date="2017-10-17.">
Exclusion binder in local environments.
Syntactic component updated:
syntax, relocation, s_transition, s_computation, static, i_static.
</news>
- <news class="alpha" date="2017 April 16.">
+ <news class="alpha" date="2017-04-16.">
Strong rt-normalization
for simply typed terms
(anniversary milestone).
</news>
- <news class="alpha" date="2017 March 16.">
+ <news class="alpha" date="2017-03-16.">
Behavioral component rt_transition completed.
</news>
- <news class="alpha" date="2017 February 19.">
+ <news class="alpha" date="2017-02-19.">
Generic candidates of reducibility.
</news>
- <news class="alpha" date="2017 January 17.">
+ <news class="alpha" date="2017-01-17.">
Confluence for parallel r-transition on referred entries of local environments.
</news>
- <news class="alpha" date="2016 September 15.">
+ <news class="alpha" date="2016-09-15.">
Confluence for context-sensitive parallel r-transition on terms.
</news>
- <news class="alpha" date="2016 April 16.">
+ <news class="alpha" date="2016-04-16.">
Syntactic component completed:
syntax, relocation, s_transition, s_computation, static
(anniversary milestone).
</news>
- <news class="alpha" date="2016 March 25.">
+ <news class="alpha" date="2016-03-25.">
Relocation with reference transforming maps (rtmap).
</news>
- <news class="alpha" date="2015 October 9.">
+ <news class="alpha" date="2015-10-09.">
λδ-2B is started.
</news>
- <subsection name="A">Stage "A" </subsection>
- <news class="delta" date="2019 November 20.">
- λδ-2A is repackaged (was λδ-2A1).
- </news>
- <news class="delta" date="2015 August 27.">
- λδ-2A appears too complex and is dismissed.
- </news>
- <news class="gamma" date="2014 October 28.">
- λδ-2A is released.
- </news>
- <news class="beta" date="2014 September 9.">
- Iterated static type assignment defined (more elegantly)
- as a primitive notion.
- </news>
- <news class="beta" date="2014 June 18.">
- Preservation of stratified native validity
- for context-sensitive computation on terms.
- </news>
- <news class="alpha" date="2014 June 9.">
- Strong qrst-normalization
- for simply typed terms.
- </news>
- <news class="alpha" date="2014 April 16.">
- Lazy equivalence on local environments
- added as q-step to rst-computation on closures
- (anniversary milestone).
- </news>
- <news class="alpha" date="2014 January 20.">
- Parametrized slicing on local environments
- comprises both versions of this operation
- (one from basic_1, the other used in basic_2 till now).
- </news>
- <news class="alpha" date="2013 August 7.">
- Passive support for global environments.
- </news>
- <news class="alpha" date="2013 July 27.">
- Reaxiomatized β-reductum as in rt-reduction.
- </news>
- <news class="alpha" date="2013 July 20.">
- Context-sensitive strong rt-normalization
- for simply typed terms.
- </news>
- <news class="alpha" date="2013 April 16.">
- Reaxiomatized substitution and reduction
- commute with respect to subclosure
- (anniversary milestone).
- </news>
- <news class="alpha" date="2013 March 16.">
- Mutual recursive preservation of stratified native validity
- for rst-computation on closures.
- </news>
- <news class="alpha" date="2012 October 16.">
- Confluence for context-free parallel reduction on closures.
- </news>
- <news class="alpha" date="2012 July 26.">
- Term binders polarized to control ζ-reduction (not released).
- </news>
- <news class="alpha" date="2012 April 16.">
- Context-sensitive subject equivalence
- for atomic arity assignment
- (anniversary milestone).
- </news>
- <news class="alpha" date="2012 March 15.">
- Context-sensitive strong normalization
- for simply typed terms.
- </news>
- <news class="alpha" date="2012 January 27.">
- Generic candidates of reducibility.
- </news>
- <news class="alpha" date="2011 September 21.">
- Confluence for context-sensitive parallel reduction on terms.
- </news>
- <news class="alpha" date="2011 September 6.">
- Confluence for context-free parallel reduction on terms.
- </news>
- <news class="alpha" date="2011 April 17.">
- λδ-2A is started.
- </news>
-
<section4 name="structure">Logical Structure of the Specification</section4>
<body>This table reports the specification's components and their planes.
</body>
projects / helm.git / blobdiff