X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fcontribs%2Fng_TPTP%2FGRP024-5.ma;fp=helm%2Fsoftware%2Fmatita%2Fcontribs%2Fng_TPTP%2FGRP024-5.ma;h=68e336f06f32bfc95048ae28aae1afce123c0e5d;hb=0639dda9142d1cf047b07e61fb557e8877aba4d8;hp=6b73428f57d317dd3f45e9a21731bef111679280;hpb=c40f28fe5bfa74fc1fcef986c03fc960793902a5;p=helm.git

diff --git a/helm/software/matita/contribs/ng_TPTP/GRP024-5.ma b/helm/software/matita/contribs/ng_TPTP/GRP024-5.ma
index 6b73428f5..68e336f06 100644
--- a/helm/software/matita/contribs/ng_TPTP/GRP024-5.ma
+++ b/helm/software/matita/contribs/ng_TPTP/GRP024-5.ma
@@ -124,7 +124,7 @@ include "logic/equality.ma".
 
 (* ----Denial of conclusion: *)
 ntheorem prove_center:
- ∀Univ:Type.∀X:Univ.∀Y:Univ.∀Z:Univ.
+ (∀Univ:Type.∀X:Univ.∀Y:Univ.∀Z:Univ.
 ∀a:Univ.
 ∀b:Univ.
 ∀c:Univ.
@@ -136,25 +136,25 @@ ntheorem prove_center:
 ∀H1:∀X:Univ.∀Y:Univ.eq Univ (commutator X Y) (multiply (inverse X) (multiply (inverse Y) (multiply X Y))).
 ∀H2:∀X:Univ.∀Y:Univ.∀Z:Univ.eq Univ (multiply (multiply X Y) Z) (multiply X (multiply Y Z)).
 ∀H3:∀X:Univ.eq Univ (multiply (inverse X) X) identity.
-∀H4:∀X:Univ.eq Univ (multiply identity X) X.eq Univ (multiply a (commutator b c)) (multiply (commutator b c) a)
+∀H4:∀X:Univ.eq Univ (multiply identity X) X.eq Univ (multiply a (commutator b c)) (multiply (commutator b c) a))
 .
-#Univ.
-#X.
-#Y.
-#Z.
-#a.
-#b.
-#c.
-#commutator.
-#identity.
-#inverse.
-#multiply.
-#H0.
-#H1.
-#H2.
-#H3.
-#H4.
-nauto by H0,H1,H2,H3,H4;
+#Univ ##.
+#X ##.
+#Y ##.
+#Z ##.
+#a ##.
+#b ##.
+#c ##.
+#commutator ##.
+#identity ##.
+#inverse ##.
+#multiply ##.
+#H0 ##.
+#H1 ##.
+#H2 ##.
+#H3 ##.
+#H4 ##.
+nauto by H0,H1,H2,H3,H4 ##;
 nqed.
 
 (* -------------------------------------------------------------------------- *)