<table name="basic_2_sum"/>
<subsection name="B">Stage "B"</subsection>
- <news class="alpha" date="Ongoing.">
- Context-sensitive subject equivalence
- for native type assignment.
+ <news class="beta" date="2019 March 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.">
+ Extended (λδ-2) and restricted (λδ-1) type rules justified.
+ </news>
+ <news class="alpha" date="2018 September 21.">
+ λδ-2A completed with
+ confluence of rt-computation and
+ preservation of validity for rt-computation.
</news>
-
- <subsection name="A2">Stage "A2": "Extending the Applicability Condition"</subsection>
-
<news class="alpha" date="2018 June 8.">
Behavioral component rt_computation completed.
</news>
Relocation with reference transforming maps (rtmap).
</news>
<news class="alpha" date="2015 October 9.">
- λδ version 2A2 is started.
+ λδ-2B is started.
</news>
- <subsection name="A1">Stage "A1": "Extending the Applicability Condition"</subsection>
+ <subsection name="A">Stage "A" </subsection>
<news class="delta" date="2015 August 27.">
- λδ version 2A1 appears too complex and is dismissed.
+ λδ-2A appears too complex and is dismissed.
</news>
<news class="gamma" date="2014 October 28.">
- λδ version 2A1 is released.
+ λδ version 2A is released.
</news>
<news class="beta" date="2014 September 9.">
Iterated static type assignment defined (more elegantly)
Confluence for context-free parallel reduction on terms.
</news>
<news class="alpha" date="2011 April 17.">
- λδ version 2 is started.
+ λδ-2A is started.
</news>
<section4 name="structure">Logical Structure of the Specification</section4>