X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Frelocation%2Flifts_bind.ma;h=ec97e7a1beb07707c24f83f0fda6c63b336374eb;hp=d3f36a65e6f5fd5ccdd044a36480a8b393202c11;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

diff --git a/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_bind.ma b/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_bind.ma
index d3f36a65e..ec97e7a1b 100644
--- a/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_bind.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_bind.ma
@@ -48,7 +48,7 @@ lemma liftsb_eq_repl_back: ∀I1,I2. eq_repl_back … (λf. ⇧*[f] I1 ≘ I2).
 #I1 #I2 #f1 * -I1 -I2 /3 width=3 by lifts_eq_repl_back, ext2_pair/
 qed-.
 
-lemma liftsb_refl: ∀f. 𝐈⦃f⦄ → reflexive … (liftsb f).
+lemma liftsb_refl: ∀f. 𝐈❪f❫ → reflexive … (liftsb f).
 /3 width=1 by lifts_refl, ext2_refl/ qed.
 
 lemma liftsb_total: ∀I1,f. ∃I2. ⇧*[f] I1 ≘ I2.
@@ -66,6 +66,6 @@ qed-.
 
 (* Basic forward lemmas *****************************************************)
 
-lemma liftsb_fwd_isid: ∀f,I1,I2. ⇧*[f] I1 ≘ I2 → 𝐈⦃f⦄ → I1 = I2.
+lemma liftsb_fwd_isid: ∀f,I1,I2. ⇧*[f] I1 ≘ I2 → 𝐈❪f❫ → I1 = I2.
 #f #I1 #I2 * -I1 -I2 /3 width=3 by lifts_fwd_isid, eq_f2/
 qed-.