+ <div xmlns:ld="http://lambdadelta.info/" class="head3sn" id="A2">Stage "A2": "Extending the Applicability Condition"</div>
+ <ul xmlns:ld="http://lambdadelta.info/">
+ <li>
+ <span class="emph alpha">2017 October 17.</span>
+ Exclusion binder in local environments.
+ Syntactic component updated:
+ syntax, relocation, s_transition, s_computation, static, i_static.
+ </li>
+ </ul>
+ <ul xmlns:ld="http://lambdadelta.info/">
+ <li>
+ <span class="emph alpha">2017 April 16.</span>
+ Strong rt-normalization
+ for simply typed terms
+ (anniversary milestone).
+ </li>
+ </ul>
+ <ul xmlns:ld="http://lambdadelta.info/">
+ <li>
+ <span class="emph alpha">2017 March 16.</span>
+ First behavioral component reconstructed:
+ rt_transition.
+ </li>
+ </ul>
+ <ul xmlns:ld="http://lambdadelta.info/">
+ <li>
+ <span class="emph alpha">2017 February 19.</span>
+ Generic candidates of reducibility.
+ </li>
+ </ul>
+ <ul xmlns:ld="http://lambdadelta.info/">
+ <li>
+ <span class="emph alpha">2017 January 17.</span>
+ Confluence for parallel r-transition on referred entries of local environments.
+ </li>
+ </ul>
+ <ul xmlns:ld="http://lambdadelta.info/">
+ <li>
+ <span class="emph alpha">2016 September 15.</span>
+ Confluence for context-sensitive parallel r-transition on terms.
+ </li>
+ </ul>
+ <ul xmlns:ld="http://lambdadelta.info/">
+ <li>
+ <span class="emph alpha">2016 April 16.</span>
+ Syntactic component reconstructed:
+ syntax, relocation, s_transition, s_computation, static
+ (anniversary milestone).
+ </li>
+ </ul>
+ <ul xmlns:ld="http://lambdadelta.info/">
+ <li>
+ <span class="emph alpha">2016 March 25.</span>
+ Relocation with reference transforming maps (rtmap).
+ </li>
+ </ul>
+ <ul xmlns:ld="http://lambdadelta.info/">
+ <li>
+ <span class="emph alpha">2015 October 9.</span>
+ λδ version 2A2 is started.
+ </li>
+ </ul>
+ <div xmlns:ld="http://lambdadelta.info/" class="head3sn" id="A1">Stage "A1": "Extending the Applicability Condition"</div>
+ <ul xmlns:ld="http://lambdadelta.info/">
+ <li>
+ <span class="emph delta">2015 August 27.</span>
+ λδ version 2A1 appears too complex and is dismissed.
+ </li>
+ </ul>