X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fcontribs%2Fng_TPTP%2FGRP011-4.ma;h=0f756f7aa5e8f129f9fd9b64853194063f72428c;hb=e880d6eab5e1700f4a625ddcd7d0fa8f0cce2dcc;hp=58c2ed1ede13a0aaecd4ec3cc4738c6627a31e0f;hpb=0639dda9142d1cf047b07e61fb557e8877aba4d8;p=helm.git

diff --git a/helm/software/matita/contribs/ng_TPTP/GRP011-4.ma b/helm/software/matita/contribs/ng_TPTP/GRP011-4.ma
index 58c2ed1ed..0f756f7aa 100644
--- a/helm/software/matita/contribs/ng_TPTP/GRP011-4.ma
+++ b/helm/software/matita/contribs/ng_TPTP/GRP011-4.ma
@@ -4,7 +4,7 @@ include "logic/equality.ma".
 
 (* -------------------------------------------------------------------------- *)
 
-(*  File     : GRP011-4 : TPTP v3.2.0. Released v1.0.0. *)
+(*  File     : GRP011-4 : TPTP v3.7.0. Released v1.0.0. *)
 
 (*  Domain   : Group Theory *)
 
@@ -77,6 +77,7 @@ ntheorem prove_left_cancellation:
 #H2 ##.
 #H3 ##.
 nauto by H0,H1,H2,H3 ##;
+ntry (nassumption) ##;
 nqed.
 
 (* -------------------------------------------------------------------------- *)