X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground%2Farith%2Fnat_le_max.ma;h=b877b8649d1e4707a32af982605f63acabe2e6f6;hb=ae626612bff9c3746dd7647bbada791c737e348c;hp=4f7886aa1852adb3f06572207c63492e21bc0b60;hpb=21de0d35017656c5a55528390b54b0b2ae395b44;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/ground/arith/nat_le_max.ma b/matita/matita/contribs/lambdadelta/ground/arith/nat_le_max.ma
index 4f7886aa1..b877b8649 100644
--- a/matita/matita/contribs/lambdadelta/ground/arith/nat_le_max.ma
+++ b/matita/matita/contribs/lambdadelta/ground/arith/nat_le_max.ma
@@ -30,14 +30,12 @@ lemma nle_max_sn (n):
 qed.
 
 lemma nle_max_dx_refl_sn (m) (n): m ≤ (m ∨ n).
-#m #n @(nat_ind_succ_2 … m n) -m -n //
+#m #n @(nat_ind_2_succ … m n) -m -n //
 #m #n #IH <nmax_succ_bi /2 width=1 by nle_succ_bi/
 qed.
 
 lemma nle_max_dx_refl_dx (m) (n): n ≤ (m ∨ n).
-#m #n @(nat_ind_succ_2 … n m) -m -n //
-#m #n #IH <nmax_succ_bi /2 width=1 by nle_succ_bi/
-qed.
+// qed.
 
 (* Basic destructions with nmax *********************************************)