X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=sidebyside;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fapps_2%2Fmodels%2Fvpushs_fold.ma;h=d017bc16a5950775b16fd35ef1c26ec2397736d5;hb=df1bcd1387439133c0c33f597a5f8b2331c07772;hp=8ac1699861e2c7751fcc34c38fd31e26d7bd645f;hpb=f308429a0fde273605a2330efc63268b4ac36c99;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/apps_2/models/vpushs_fold.ma b/matita/matita/contribs/lambdadelta/apps_2/models/vpushs_fold.ma
index 8ac169986..d017bc16a 100644
--- a/matita/matita/contribs/lambdadelta/apps_2/models/vpushs_fold.ma
+++ b/matita/matita/contribs/lambdadelta/apps_2/models/vpushs_fold.ma
@@ -21,7 +21,7 @@ include "apps_2/models/vpushs.ma".
 
 lemma vpushs_fold (M): is_model M → is_extensional M →
                        ∀L,T1,T2,gv,lv.
-                       (∀v. L ⨁[gv] lv ≘ v → ⟦T1⟧[gv,v] ≗ ⟦T2⟧[gv,v]) → 
+                       (∀v. L ⨁[gv] lv ≘ v → ⟦T1⟧[gv,v] ≗ ⟦T2⟧[gv,v]) →
                        ⟦L+T1⟧[gv,lv] ≗{M} ⟦L+T2⟧[gv,lv].
 #M #H1M #H2M #L elim L -L [| #K * [| * ]]
 [ #T1 #T2 #gv #lv #H12