X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=sidebyside;f=helm%2Fsoftware%2Fmatita%2Fcontribs%2Fng_TPTP%2FBOO033-1.ma;fp=helm%2Fsoftware%2Fmatita%2Fcontribs%2Fng_TPTP%2FBOO033-1.ma;h=1a47749cc3718f78fbb55596a4557e4affa8d5f8;hb=0639dda9142d1cf047b07e61fb557e8877aba4d8;hp=e73b92c6afb67aa531acfe7043f41f4ce48a873a;hpb=c40f28fe5bfa74fc1fcef986c03fc960793902a5;p=helm.git

diff --git a/helm/software/matita/contribs/ng_TPTP/BOO033-1.ma b/helm/software/matita/contribs/ng_TPTP/BOO033-1.ma
index e73b92c6a..1a47749cc 100644
--- a/helm/software/matita/contribs/ng_TPTP/BOO033-1.ma
+++ b/helm/software/matita/contribs/ng_TPTP/BOO033-1.ma
@@ -54,7 +54,7 @@ include "logic/equality.ma".
 
 (* ----A simple propery of Boolean Algebra fails to hold. *)
 ntheorem prove_inverse_involution:
- ∀Univ:Type.∀X:Univ.∀Y:Univ.∀Z:Univ.
+ (∀Univ:Type.∀X:Univ.∀Y:Univ.∀Z:Univ.
 ∀a:Univ.
 ∀add:∀_:Univ.∀_:Univ.Univ.
 ∀inverse:∀_:Univ.Univ.
@@ -65,24 +65,24 @@ ntheorem prove_inverse_involution:
 ∀H3:∀X:Univ.∀Y:Univ.eq Univ (multiply (add X (inverse X)) Y) Y.
 ∀H4:∀X:Univ.∀Y:Univ.∀Z:Univ.eq Univ (add (add (multiply X Y) (multiply Y Z)) Y) Y.
 ∀H5:∀X:Univ.∀Y:Univ.∀Z:Univ.eq Univ (add X (multiply Y (multiply X Z))) X.
-∀H6:∀X:Univ.∀Y:Univ.∀Z:Univ.eq Univ (add (multiply X Y) (add (multiply Y Z) (multiply Z X))) (multiply (add X Y) (multiply (add Y Z) (add Z X))).eq Univ (inverse (inverse a)) a
+∀H6:∀X:Univ.∀Y:Univ.∀Z:Univ.eq Univ (add (multiply X Y) (add (multiply Y Z) (multiply Z X))) (multiply (add X Y) (multiply (add Y Z) (add Z X))).eq Univ (inverse (inverse a)) a)
 .
-#Univ.
-#X.
-#Y.
-#Z.
-#a.
-#add.
-#inverse.
-#multiply.
-#H0.
-#H1.
-#H2.
-#H3.
-#H4.
-#H5.
-#H6.
-nauto by H0,H1,H2,H3,H4,H5,H6;
+#Univ ##.
+#X ##.
+#Y ##.
+#Z ##.
+#a ##.
+#add ##.
+#inverse ##.
+#multiply ##.
+#H0 ##.
+#H1 ##.
+#H2 ##.
+#H3 ##.
+#H4 ##.
+#H5 ##.
+#H6 ##.
+nauto by H0,H1,H2,H3,H4,H5,H6 ##;
 nqed.
 
 (* -------------------------------------------------------------------------- *)