X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Frelocation%2Flifts_tdeq.ma;fp=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Frelocation%2Flifts_tdeq.ma;h=3485e88cd57655fddbb7b6e9a2600855290a402a;hb=67fe9cec87e129a2a41c75d7ed8456a6f3314421;hp=c76781d117fcfb7ecf7a04f265aea2eef98c4a69;hpb=86861e6f031df66824a381527dfe847029ff72bc;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_tdeq.ma b/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_tdeq.ma
index c76781d11..3485e88cd 100644
--- a/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_tdeq.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_tdeq.ma
@@ -72,7 +72,7 @@ lemma tdeq_inv_lifts_bi: deliftable2_bi tdeq.
 /3 width=6 by tdeq_inv_lifts_sn, deliftable2_sn_bi/ qed-.
 
 lemma tdeq_lifts_inv_pair_sn (I) (f:rtmap):
-                             ∀X,T. ⬆*[f]X ≘ T → ∀V. ②{I}V.T ≛ X → ⊥.
+                             ∀X,T. ⇧*[f]X ≘ T → ∀V. ②{I}V.T ≛ X → ⊥.
 #I #f #X #T #H elim H -f -X -T
 [ #f #s #V #H
   elim (tdeq_inv_pair1 … H) -H #X1 #X2 #_ #_ #H destruct