X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=inline;f=helm%2Fwww%2Fmatita%2Flibrary.shtml;h=3c4246f313b566485c3bf0ec9180281e0221b06b;hb=821485bdc469482d0f29ac2d1e6c6dd1a6a94661;hp=57f54e2bdbf62e3e63485d9ca7ef9b9f7b8aeecd;hpb=6c7be6bbe4e645f5ab99e82d322e1a70503781cb;p=helm.git diff --git a/helm/www/matita/library.shtml b/helm/www/matita/library.shtml index 57f54e2bd..3c4246f31 100644 --- a/helm/www/matita/library.shtml +++ b/helm/www/matita/library.shtml @@ -58,6 +58,33 @@ here.
+The formal system λδ is a typed λ-calculus that + pursues the unification of terms, types, environments and contexts + as the main goal. + λδ takes some features from the Automath-related + λ-calculi and some from the pure type systems, but differs + from both in that it does not include the Π construction while it + provides for an abbreviation mechanism at the level of terms. +
+ +The development presents the proofs of some important properties that + λδ enjoys. In particular: +
+ See the λδ home page + for more information. +
+