- support for pointwise extensions of a term relation started ...

[helm.git] / matita / matita / contribs / lambda_delta / basic_2 / grammar / aarity.ma

diff --git a/matita/matita/contribs/lambda_delta/basic_2/grammar/aarity.ma b/matita/matita/contribs/lambda_delta/basic_2/grammar/aarity.ma
index 2f5f7b4950195796eb4f900a283fd9eef97fe419..4d5d308fa0bfa08263dc7821be8c1efb87ce543e 100644 (file)
--- a/matita/matita/contribs/lambda_delta/basic_2/grammar/aarity.ma
+++ b/matita/matita/contribs/lambda_delta/basic_2/grammar/aarity.ma
@@ -15,6 +15,8 @@
 (* THE FORMAL SYSTEM λδ: MATITA SOURCE FILES
  * Suggested invocation to start formal specifications with:
  *   - Patience on me to gain peace and perfection! -
+ * 2012 July 26:
+ *   term binders polarized to control ζ reduction.
  * 2012 April 16 (anniversary milestone):
  *   context-sensitive subject equivalence for atomic arity assignment.
  * 2012 March 15: