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=ca4970bcb5d75dc7e4f059d2440716e53e83fdc1;hb=6f1f9e20aa2775d41bba64289fc903e6612baaf3;hp=06a65ff53fe3b3c2074b6bd4053378c9a4e4bddc;hpb=62211b3b2d76ba387663c9e553fbe4d2dbd92c82;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 06a65ff53..ca4970bcb 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 @@ -1,10 +1,11 @@ +
Summary of the Specification
Here is a numerical acount of the specification's contents @@ -25,16 +27,33 @@ pp. 53-78]. + + Stage "B" Context-sensitive subject equivalence for native type assignment. - - Closure of context-sensitive extended computation - for native validity. + + Stage "A": "Weakening the Applicability Condition" + + Iterated static type assignment defined (more elegantly) + as a primitive notion. + + + Preservation of stratified native validity + for context-sensitive computation on terms. + + + strong qrst-normalization + for simply typed terms. + + + lazy equivalence on local environments + addded as q-step to rst-computation on closures + (anniversary milestone). - Parametrized slicing for local environments + Parametrized slicing of local environments comprises both versions of this operation (one from basic_1, the other used in basic_2 till now). @@ -42,10 +61,10 @@ Passive support for global environments. - Reaxiomatized β-reductum as in extended β-reduction + Reaxiomatized β-reductum as in rt-reduction. - Context-sensitive extended strong normalization + Context-sensitive strong rt-normalization for simply typed terms. @@ -55,13 +74,13 @@ Mutual recursive preservation of stratified native validity - for "big tree" computation on closures. + for rst-computation on closures. Confluence for context-free parallel reduction on closures. - Term binders polarized to control ζ-reduction. + Term binders polarized to control ζ-reduction (not released). Context-sensitive subject equivalence