X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fapps_2%2Fmodels%2Fveq_lifts.ma;h=d7a225140df1d9efafe82b49419f8d8ac24fcb1f;hp=943f8f5af9169bde5c8896aff7ce21d61c60f06f;hb=cc600ed1e115d5566947288d532a1e89d989227f;hpb=ea918ec7701db4458c5ca25885e80abc6fed1be7

diff --git a/matita/matita/contribs/lambdadelta/apps_2/models/veq_lifts.ma b/matita/matita/contribs/lambdadelta/apps_2/models/veq_lifts.ma
index 943f8f5af..d7a225140 100644
--- a/matita/matita/contribs/lambdadelta/apps_2/models/veq_lifts.ma
+++ b/matita/matita/contribs/lambdadelta/apps_2/models/veq_lifts.ma
@@ -40,6 +40,7 @@ fact lifts_fwd_vpush_aux (M): is_model M → is_extensional M →
   /2 width=1 by mr/
 | #f #p * #V1 #V2 #T1 #T2 #_ #_ #IHV #IHT #m #Hm #gv #lv #d destruct
   [ @(mq … H1M) [4,5: /3 width=2 by seq_sym, md/ |1,2: skip ]
+    @mc [3:|*: /2 width=1 by/ ]
     @(seq_trans … H1M)
     [3: @ti_comp // | skip ]
     [1,2: /2 width=2 by veq_refl/ ]