X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fcontribs%2Fng_TPTP%2FGRP608-1.ma;h=1228cfd198230af9eb38b89d2161b2cfb203b8d6;hb=bd112857523fc543c78cd29b74417585033ec464;hp=6fde1bd123c970fd43b801d939be351bcd13d12e;hpb=11e495dda047bcdfa4267c06cad2d074fcffe3e3;p=helm.git

diff --git a/helm/software/matita/contribs/ng_TPTP/GRP608-1.ma b/helm/software/matita/contribs/ng_TPTP/GRP608-1.ma
index 6fde1bd12..1228cfd19 100644
--- a/helm/software/matita/contribs/ng_TPTP/GRP608-1.ma
+++ b/helm/software/matita/contribs/ng_TPTP/GRP608-1.ma
@@ -4,7 +4,7 @@ include "logic/equality.ma".
 
 (* -------------------------------------------------------------------------- *)
 
-(*  File     : GRP608-1 : TPTP v3.2.0. Bugfixed v2.7.0. *)
+(*  File     : GRP608-1 : TPTP v3.7.0. Bugfixed v2.7.0. *)
 
 (*  Domain   : Group Theory (Abelian) *)
 
@@ -44,27 +44,28 @@ include "logic/equality.ma".
 
 (* -------------------------------------------------------------------------- *)
 ntheorem prove_these_axioms_4:
- ∀Univ:Type.∀A:Univ.∀B:Univ.∀C:Univ.
+ (∀Univ:Type.∀A:Univ.∀B:Univ.∀C:Univ.
 ∀a:Univ.
 ∀b:Univ.
 ∀double_divide:∀_:Univ.∀_:Univ.Univ.
 ∀inverse:∀_:Univ.Univ.
 ∀multiply:∀_:Univ.∀_:Univ.Univ.
 ∀H0:∀A:Univ.∀B:Univ.eq Univ (multiply A B) (inverse (double_divide B A)).
-∀H1:∀A:Univ.∀B:Univ.∀C:Univ.eq Univ (double_divide (inverse (double_divide A (inverse (double_divide (inverse B) (double_divide A C))))) C) B.eq Univ (multiply a b) (multiply b a)
+∀H1:∀A:Univ.∀B:Univ.∀C:Univ.eq Univ (double_divide (inverse (double_divide A (inverse (double_divide (inverse B) (double_divide A C))))) C) B.eq Univ (multiply a b) (multiply b a))
 .
-#Univ.
-#A.
-#B.
-#C.
-#a.
-#b.
-#double_divide.
-#inverse.
-#multiply.
-#H0.
-#H1.
-nauto by H0,H1;
+#Univ ##.
+#A ##.
+#B ##.
+#C ##.
+#a ##.
+#b ##.
+#double_divide ##.
+#inverse ##.
+#multiply ##.
+#H0 ##.
+#H1 ##.
+nauto by H0,H1 ##;
+ntry (nassumption) ##;
 nqed.
 
 (* -------------------------------------------------------------------------- *)