X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Frelocation%2Flifts_weight.ma;h=d410991837b15e47db32d7ba84ab62f9deefa687;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hp=358660fe2eb14e0a7fd2e58fdddf767ddb0ba8bd;hpb=ff612dc35167ec0c145864c9aa8ae5e1ebe20a48;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_weight.ma b/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_weight.ma
index 358660fe2..d41099183 100644
--- a/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_weight.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_weight.ma
@@ -20,6 +20,6 @@ include "static_2/relocation/lifts.ma".
 (* Forward lemmas with weight for terms *************************************)
 
 (* Basic_2A1: includes: lift_fwd_tw *)
-lemma lifts_fwd_tw: ∀f,T1,T2. ⬆*[f] T1 ≘ T2 → ♯{T1} = ♯{T2}.
+lemma lifts_fwd_tw: ∀f,T1,T2. ⇧*[f] T1 ≘ T2 → ♯❨T1❩ = ♯❨T2❩.
 #f #T1 #T2 #H elim H -f -T1 -T2 normalize //
 qed-.