X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frelocation%2Flifts_weight.ma;h=5bfb660aeab6008a795b01992169782bebcaaeca;hb=9a023f554e56d6edbbb2eeaf17ce61e31857ef4a;hp=ace77ad27fba59cddc85c3dd473986d59c919a8b;hpb=46815bb7af06b235ead2fd67a4aee2d294b51928;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/relocation/lifts_weight.ma b/matita/matita/contribs/lambdadelta/basic_2/relocation/lifts_weight.ma
index ace77ad27..5bfb660ae 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/relocation/lifts_weight.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/relocation/lifts_weight.ma
@@ -17,9 +17,9 @@ include "basic_2/relocation/lifts.ma".
 
 (* GENERIC RELOCATION FOR TERMS *********************************************)
 
-(* Forward lemmas on weight for terms ***************************************)
+(* Forward lemmas with weight for terms *************************************)
 
 (* Basic_2A1: includes: lift_fwd_tw *)
-lemma lifts_fwd_tw: ∀T1,T2,t. ⬆*[t] T1 ≡ T2 → ♯{T1} = ♯{T2}.
-#T1 #T2 #t #H elim H -T1 -T2 -t normalize //
+lemma lifts_fwd_tw: ∀T1,T2,f. ⬆*[f] T1 ≡ T2 → ♯{T1} = ♯{T2}.
+#T1 #T2 #f #H elim H -T1 -T2 -f normalize //
 qed-.