X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground%2Farith%2Fnat_succ_iter.ma;h=63031d93599d1eed24d94dfcd9d0286715cdb38b;hp=b3eee20682dded54198b27b5036c1a0d1003f12d;hb=21de0d35017656c5a55528390b54b0b2ae395b44;hpb=68e028d053806177e218ee1a5f8778d3011bef83

diff --git a/matita/matita/contribs/lambdadelta/ground/arith/nat_succ_iter.ma b/matita/matita/contribs/lambdadelta/ground/arith/nat_succ_iter.ma
index b3eee2068..63031d935 100644
--- a/matita/matita/contribs/lambdadelta/ground/arith/nat_succ_iter.ma
+++ b/matita/matita/contribs/lambdadelta/ground/arith/nat_succ_iter.ma
@@ -17,8 +17,9 @@ include "ground/arith/nat_succ.ma".
 
 (* SUCCESSOR FOR NON-NEGATIVE INTEGERS **************************************)
 
-(* Rewrites with niter ******************************************************)
+(* Constructions with niter *************************************************)
 
+(*** iter_S *)
 lemma niter_succ (A) (f) (n) (a): f (f^n a) = f^{A}(↑n) a.
 #A #f * //
 qed.