X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Flib%2Farithmetics%2Ffactorial.ma;h=60519e9829f185f0b614b46923f346156a1ec911;hb=b5cb5cc7230870f757aadbe6b43ee146fe485a6d;hp=fc2320a948cbd324ddfe900db2af3f33837866f7;hpb=38b251338be469c7bcd75cb9f243fad9ba8f0907;p=helm.git

diff --git a/matita/matita/lib/arithmetics/factorial.ma b/matita/matita/lib/arithmetics/factorial.ma
index fc2320a94..60519e982 100644
--- a/matita/matita/lib/arithmetics/factorial.ma
+++ b/matita/matita/lib/arithmetics/factorial.ma
@@ -10,6 +10,7 @@
       V_______________________________________________________________ *)
 
 include "arithmetics/exp.ma".
+include "basics/core_notation/fact_1.ma".
 
 let rec fact n ≝
   match n with