update in ground_2, static_2, basic_2, apps_2, alpha_1

[helm.git] / matita / matita / contribs / lambdadelta / static_2 / relocation / lifts_weight.ma

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 e3830a0ac99c0e34d9bcab7c984ffea6902229ea..d410991837b15e47db32d7ba84ab62f9deefa687 100644 (file)
--- 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-.