X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Frelocation%2Flifts_weight_bind.ma;h=43faaa00171ceb78cfec7bf7998570cea4a306ed;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hp=62135a02775693683717adc9cb82f25d2acd249e;hpb=ff612dc35167ec0c145864c9aa8ae5e1ebe20a48;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_weight_bind.ma b/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_weight_bind.ma
index 62135a027..43faaa001 100644
--- a/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_weight_bind.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_weight_bind.ma
@@ -20,6 +20,6 @@ include "static_2/relocation/lifts_bind.ma".
 
 (* Forward lemmas with weight for binders ***********************************)
 
-lemma liftsb_fwd_bw: ∀f,I1,I2. ⬆*[f] I1 ≘ I2 → ♯{I1} = ♯{I2}.
+lemma liftsb_fwd_bw: ∀f,I1,I2. ⇧*[f] I1 ≘ I2 → ♯❨I1❩ = ♯❨I2❩.
 #f #I1 #I2 * -I1 -I2 /2 width=2 by lifts_fwd_tw/
 qed-.