<table name="basic_2_sum"/>
<subsection name="B">Stage "B"</subsection>
+ <news class="beta" date="2019 September 3.">
+ Applicability condition is now parametrized
+ with a generic subset of numbers.
+ </news>
<news class="beta" date="2019 June 2.">
- Parametrized applicability condition
- allows λδ-2B to generalize both λδ-1A and λδ-1B.
+ 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.">
- Extended (λδ-2A) and restricted (λδ-1A) validity is decidable
+ Extended (λδ-2A) and restricted (λδ-1B) validity is decidable
(anniversary milestone).
</news>
<news class="beta" date="2019 March 25.">