X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fweb%2Fbasic_2.ldw.xml;h=66fb5e30c9db52626deb2aaafa8994454cb793c5;hb=0e16720654c6667b94433e91dddc3c53b904e200;hp=dcf2f4693e22a87943ff656690ca49a829944f44;hpb=0098ddc7269a3fc4a554cf386d2a234d61d53d44;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/web/basic_2.ldw.xml b/matita/matita/contribs/lambdadelta/basic_2/web/basic_2.ldw.xml index dcf2f4693..66fb5e30c 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/web/basic_2.ldw.xml +++ b/matita/matita/contribs/lambdadelta/basic_2/web/basic_2.ldw.xml @@ -27,13 +27,24 @@ Stage "B" - - Context-sensitive subject equivalence - for native type assignment. + + Extended (λδ-2) and restricted (λδ-1) type rules justified. + + + λδ-2A completed with + confluence of rt-computation and + preservation of validity for rt-computation. + + + Behavioral component rt_computation completed. + + + "Big tree" theorem + (anniversary milestone). + + + Support for rt-computation completed. - - Stage "A2": "Extending the Applicability Condition" - Exclusion binder in local environments. Syntactic component updated: @@ -45,8 +56,7 @@ (anniversary milestone). - First behavioral component reconstructed: - rt_transition. + Behavioral component rt_transition completed. Generic candidates of reducibility. @@ -58,7 +68,7 @@ Confluence for context-sensitive parallel r-transition on terms. - Syntactic component reconstructed: + Syntactic component completed: syntax, relocation, s_transition, s_computation, static (anniversary milestone). @@ -66,15 +76,15 @@ Relocation with reference transforming maps (rtmap). - λδ version 2A2 is started. + λδ-2B is started. - Stage "A1": "Extending the Applicability Condition" + Stage "A" - λδ version 2A1 appears too complex and is dismissed. + λδ-2A appears too complex and is dismissed. - λδ version 2A1 is released. + λδ version 2A is released. Iterated static type assignment defined (more elegantly) @@ -142,7 +152,7 @@ Confluence for context-free parallel reduction on terms. - λδ version 2 is started. + λδ-2A is started. Logical Structure of the Specification