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=3aff8e423f73848c7ca05cf6e211207152b6032a;hb=084ea7868f6153effc18e8ee1c0e6cdb34d181c0;hp=93b218306e06c7ad5155beec47dc471d36d0ac88;hpb=0cb16b42f119c1cb6135f237092892e2f82929ee;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 93b218306..3aff8e423 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 @@ -3,6 +3,7 @@ @@ -26,12 +27,68 @@ Stage "B" + + + 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. + + + Exclusion binder in local environments. + Syntactic component updated: + syntax, relocation, s_transition, s_computation, static, i_static. + + + Strong rt-normalization + for simply typed terms + (anniversary milestone). + + + Behavioral component rt_transition completed. + + + Generic candidates of reducibility. + + + Confluence for parallel r-transition on referred entries of local environments. + + + Confluence for context-sensitive parallel r-transition on terms. + + + Syntactic component completed: + syntax, relocation, s_transition, s_computation, static + (anniversary milestone). + + + Relocation with reference transforming maps (rtmap). + + + λδ-2B is started. + - Stage "A": "Extending the Applicability Condition" + Stage "A" + + λδ-2A appears too complex and is dismissed. + λδ version 2A is released. @@ -53,7 +110,7 @@ (anniversary milestone). - Parametrized slicing of local environments + Parametrized slicing on local environments comprises both versions of this operation (one from basic_1, the other used in basic_2 till now). @@ -92,7 +149,7 @@ for simply typed terms. - Support for abstract candidates of reducibility. + Generic candidates of reducibility. Confluence for context-sensitive parallel reduction on terms. @@ -101,7 +158,7 @@ Confluence for context-free parallel reduction on terms. - Specification starts. + λδ-2A is started. Logical Structure of the Specification