X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Frelocation%2Flifts_simple.ma;h=4a01cd1ff2cb56c7bb8b973a657f0c3a9d576062;hb=f677b4ef7fa20f1ab36c5ee59598865d5c1b719b;hp=115a0b4739712a5b9c4063da5ac025b9f0ea31b0;hpb=ff612dc35167ec0c145864c9aa8ae5e1ebe20a48;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_simple.ma b/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_simple.ma
index 115a0b473..4a01cd1ff 100644
--- a/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_simple.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_simple.ma
@@ -20,13 +20,13 @@ include "static_2/relocation/lifts.ma".
 (* Forward lemmas with simple terms *****************************************)
 
 (* Basic_2A1: includes: lift_simple_dx *)
-lemma lifts_simple_dx: ∀f,T1,T2. ⬆*[f] T1 ≘ T2 → 𝐒⦃T1⦄ → 𝐒⦃T2⦄.
+lemma lifts_simple_dx: ∀f,T1,T2. ⇧*[f] T1 ≘ T2 → 𝐒⦃T1⦄ → 𝐒⦃T2⦄.
 #f #T1 #T2 #H elim H -f -T1 -T2 //
 #f #p #I #V1 #V2 #T1 #T2 #_ #_ #_ #_ #H elim (simple_inv_bind … H)
 qed-.
 
 (* Basic_2A1: includes: lift_simple_sn *)
-lemma lifts_simple_sn: ∀f,T1,T2. ⬆*[f] T1 ≘ T2 → 𝐒⦃T2⦄ → 𝐒⦃T1⦄.
+lemma lifts_simple_sn: ∀f,T1,T2. ⇧*[f] T1 ≘ T2 → 𝐒⦃T2⦄ → 𝐒⦃T1⦄.
 #f #T1 #T2 #H elim H -f -T1 -T2 //
 #f #p #I #V1 #V2 #T1 #T2 #_ #_ #_ #_ #H elim (simple_inv_bind … H)
 qed-.