X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground%2Farith%2Fnat_lt_minus_plus.ma;h=b5d38ea0c17177df789b90b62362be1f2f1280a3;hp=5fbbd53ea24faf7a2903a2b21d8db854b2bc52d3;hb=888840f6b3a71d3d686b53b702d362ab90ab0038;hpb=19b0a814861157ba05f23877d5cd94059f52c2e8

diff --git a/matita/matita/contribs/lambdadelta/ground/arith/nat_lt_minus_plus.ma b/matita/matita/contribs/lambdadelta/ground/arith/nat_lt_minus_plus.ma
index 5fbbd53ea..b5d38ea0c 100644
--- a/matita/matita/contribs/lambdadelta/ground/arith/nat_lt_minus_plus.ma
+++ b/matita/matita/contribs/lambdadelta/ground/arith/nat_lt_minus_plus.ma
@@ -32,7 +32,7 @@ lemma nlt_minus_dx (o) (m) (n): m + o < n → m < n - o.
 
 (*** lt_inv_plus_l *)
 lemma nlt_minus_dx_full (o) (m) (n): m + o < n → ∧∧ o < n & m < n - o.
-/3 width=3 by nlt_minus_dx, le_nlt_trans, conj/ qed-.
+/3 width=3 by nlt_minus_dx, nle_nlt_trans, conj/ qed-.
 
 (* Inversions with nminus and nplus *****************************************)