theory of generic slicing almost completed ....

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / substitution / lpx_sn.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/substitution/lpx_sn.ma b/matita/matita/contribs/lambdadelta/basic_2/substitution/lpx_sn.ma
index 977fd887b5e41fe6d1a582b5e4f14fef5c82404b..82664b828384dbb3e708d73551620b2ef1e65e47 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/substitution/lpx_sn.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/substitution/lpx_sn.ma
@@ -85,5 +85,5 @@ qed-.
 (* Basic forward lemmas *****************************************************)
 
 lemma lpx_sn_fwd_length: ∀R,L1,L2. lpx_sn R L1 L2 → |L1| = |L2|.
-#R #L1 #L2 #H elim H -L1 -L2 normalize //
+#R #L1 #L2 #H elim H -L1 -L2 //
 qed-.