- <news date="In progress.">
- Extended context-sensitive strong normalization
- for simply typed terms.
+ <news date="2014 April 16.">
+ lazy equivalence on local environments
+ serves as irrelevant step in "big tree" computation
+ (anniversary milestone).
+ </news>
+ <news date="2014 January 20.">
+ Parametrized slicing for local environments
+ comprises both versions of this operation
+ (one from basic_1, the other used in basic_2 till now).
+ </news>
+ <news date="2013 August 7.">
+ Passive support for global environments.
+ </news>
+ <news date="2013 July 27.">
+ Reaxiomatized β-reductum as in extended β-reduction
+ </news>
+ <news date="2013 July 20.">
+ Context-sensitive extended strong normalization
+ for simply typed terms.
+ </news>
+ <news date="2013 April 16.">
+ Reaxiomatized substitution and reduction
+ commute with respect to subclosure
+ (anniversary milestone).
+ </news>
+ <news date="2013 March 16.">
+ Mutual recursive preservation of stratified native validity
+ for "big tree" computation on closures.