arithmetics for λδ

[helm.git] / matita / matita / contribs / lambdadelta / ground / arith / nat_le_max.ma

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 4f7886aa1852adb3f06572207c63492e21bc0b60..0ad906540d533e3dab19ca98ff8f1b3154a4d116 100644 (file)
--- a/matita/matita/contribs/lambdadelta/ground/arith/nat_le_max.ma
+++ b/matita/matita/contribs/lambdadelta/ground/arith/nat_le_max.ma
@@ -30,12 +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 @(nat_ind_2_succ … n m) -m -n //
 #m #n #IH <nmax_succ_bi /2 width=1 by nle_succ_bi/
 qed.