X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fcontribs%2Fng_assembly%2Fnum%2Fquatern.ma;h=a6bc1343f63ee0a1086155f7d18aa4157e83b59e;hb=e880d6eab5e1700f4a625ddcd7d0fa8f0cce2dcc;hp=af321ea1d435a6147abfe49c374edf86e32ddaaf;hpb=38fccc2b774e493a94eedef76342b56079c0e694;p=helm.git

diff --git a/helm/software/matita/contribs/ng_assembly/num/quatern.ma b/helm/software/matita/contribs/ng_assembly/num/quatern.ma
index af321ea1d..a6bc1343f 100755
--- a/helm/software/matita/contribs/ng_assembly/num/quatern.ma
+++ b/helm/software/matita/contribs/ng_assembly/num/quatern.ma
@@ -16,7 +16,7 @@
 (*                          Progetto FreeScale                            *)
 (*                                                                        *)
 (*   Sviluppato da: Ing. Cosimo Oliboni, oliboni@cs.unibo.it              *)
-(*   Ultima modifica: 05/08/2009                                          *)
+(*   Sviluppo: 2008-2010                                                  *)
 (*                                                                        *)
 (* ********************************************************************** *)