From: Claudio Sacerdoti Coen <claudio.sacerdoticoen@unibo.it>
Date: Wed, 24 Mar 2010 17:36:05 +0000 (+0000)
Subject: "Not" is no longer a definition
X-Git-Tag: make_still_working~2967
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=d6fcddf027206f74cfa2195bf1e261b22ec4e739;p=helm.git

"Not" is no longer a definition

From: sacerdot <sacerdot@c2b2084f-9a08-0410-b176-e24b037a169a>
---

diff --git a/helm/software/matita/nlibrary/datatypes/list.ma b/helm/software/matita/nlibrary/datatypes/list.ma
index 0e1337725..4188bb288 100644
--- a/helm/software/matita/nlibrary/datatypes/list.ma
+++ b/helm/software/matita/nlibrary/datatypes/list.ma
@@ -35,7 +35,7 @@ interpretation "cons" 'cons hd tl = (cons ? hd tl).
 
 ntheorem nil_cons:
   ∀A:Type[0].∀l:list A.∀a:A. a::l ≠ [].
-#A;#l;#a;#H;ndestruct;
+#A;#l;#a; @; #H; ndestruct;
 nqed.
 
 nlet rec id_list A (l: list A) on l ≝