notational change of lift, drop, and gget

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

diff --git a/matita/matita/contribs/lambdadelta/basic_2/substitution/lsuby.ma b/matita/matita/contribs/lambdadelta/basic_2/substitution/lsuby.ma
index 73f35cdd2ddecc38edc915f208f2f2a8e04e29f9..578612a71b8c5b2688858b264027d1ec55d9f9a6 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/substitution/lsuby.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/substitution/lsuby.ma
@@ -210,9 +210,9 @@ qed-.
 (* Properties on basic slicing **********************************************)
 
 lemma lsuby_drop_trans_be: ∀L1,L2,d,e. L1 ⊆[d, e] L2 →
-                           â\88\80I2,K2,W,s,i. â\87©[s, 0, i] L2 ≡ K2.ⓑ{I2}W →
+                           â\88\80I2,K2,W,s,i. â¬\87[s, 0, i] L2 ≡ K2.ⓑ{I2}W →
                            d ≤ i → i < d + e →
-                           â\88\83â\88\83I1,K1. K1 â\8a\86[0, â«°(d+e-i)] K2 & â\87©[s, 0, i] L1 ≡ K1.ⓑ{I1}W.
+                           â\88\83â\88\83I1,K1. K1 â\8a\86[0, â«°(d+e-i)] K2 & â¬\87[s, 0, i] L1 ≡ K1.ⓑ{I1}W.
 #L1 #L2 #d #e #H elim H -L1 -L2 -d -e
 [ #L1 #d #e #J2 #K2 #W #s #i #H
   elim (drop_inv_atom1 … H) -H #H destruct