- <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>
+ <news class="alpha" date="2018 June 8.">
+ Behavioral component rt_computation completed.