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.ma;h=bf889def7538d99a54e5f9f7e360ebb195260abc;hp=5ee4b80eb03427110a773454718d101e8751e579;hb=68e028d053806177e218ee1a5f8778d3011bef83;hpb=ccf5878f2a2ec7f952f140e162391708a740517b

diff --git a/matita/matita/contribs/lambdadelta/ground/arith/nat_lt_minus.ma b/matita/matita/contribs/lambdadelta/ground/arith/nat_lt_minus.ma
index 5ee4b80eb..bf889def7 100644
--- a/matita/matita/contribs/lambdadelta/ground/arith/nat_lt_minus.ma
+++ b/matita/matita/contribs/lambdadelta/ground/arith/nat_lt_minus.ma
@@ -38,7 +38,7 @@ qed.
 
 (* Destructions with nminus *************************************************)
 
-lemma nlt_fwd_minus_dx (o) (m) (n): m < n - o → o < n.
+lemma nlt_des_minus_dx (o) (m) (n): m < n - o → o < n.
 #o elim o -o
 [ #m #n <nminus_zero_dx
   /2 width=3 by le_nlt_trans/