X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Funfold%2Fdelift_alt.ma;h=1b82f79e3fa75294ba48c98c2baba4da04fa3abe;hb=08cb57944c0df08611d4f35d286e46c0d13e4813;hp=75ce099571c1a3631b2d1ed2064511902fbec664;hpb=9245402674a791dfdb943902f8288d742088c854;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/unfold/delift_alt.ma b/matita/matita/contribs/lambdadelta/basic_2/unfold/delift_alt.ma
index 75ce09957..1b82f79e3 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/unfold/delift_alt.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/unfold/delift_alt.ma
@@ -75,7 +75,7 @@ qed.
 
 lemma delifta_delift: ∀L,T1,T2,d,e. L ⊢ ▼▼*[d, e] T1 ≡ T2 → L ⊢ ▼*[d, e] T1 ≡ T2.
 #L #T1 #T2 #d #e #H elim H -L -T1 -T2 -d -e // /2 width=1/ /2 width=6/
-qed-. 
+qed-.
 
 lemma delift_ind_alt: ∀R:ℕ→ℕ→lenv→relation term.
                       (∀L,d,e,k. R d e L (⋆k) (⋆k)) →