]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/ground/arith/nat_lt_minus_plus.ma
milestone update in ground, partial commit
[helm.git] / matita / matita / contribs / lambdadelta / ground / arith / nat_lt_minus_plus.ma
index 5fbbd53ea24faf7a2903a2b21d8db854b2bc52d3..b5d38ea0c17177df789b90b62362be1f2f1280a3 100644 (file)
@@ -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 *****************************************)