X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fcontribs%2Fng_TPTP%2FROB007-1.ma;h=01be6c2e54a4d46ba8db1a479b0489eb1edb8262;hb=0639dda9142d1cf047b07e61fb557e8877aba4d8;hp=93bc99301ed345c697c5632fce0eefaf0ac8ae64;hpb=c40f28fe5bfa74fc1fcef986c03fc960793902a5;p=helm.git

diff --git a/helm/software/matita/contribs/ng_TPTP/ROB007-1.ma b/helm/software/matita/contribs/ng_TPTP/ROB007-1.ma
index 93bc99301..01be6c2e5 100644
--- a/helm/software/matita/contribs/ng_TPTP/ROB007-1.ma
+++ b/helm/software/matita/contribs/ng_TPTP/ROB007-1.ma
@@ -100,7 +100,7 @@ include "logic/equality.ma".
 
 (* -------------------------------------------------------------------------- *)
 ntheorem prove_huntingtons_axiom:
- ∀Univ:Type.∀X:Univ.∀Y:Univ.∀Z:Univ.
+ (∀Univ:Type.∀X:Univ.∀Y:Univ.∀Z:Univ.
 ∀a:Univ.
 ∀add:∀_:Univ.∀_:Univ.Univ.
 ∀b:Univ.
@@ -108,21 +108,21 @@ ntheorem prove_huntingtons_axiom:
 ∀H0:eq Univ (negate (add a b)) (negate b).
 ∀H1:∀X:Univ.∀Y:Univ.eq Univ (negate (add (negate (add X Y)) (negate (add X (negate Y))))) X.
 ∀H2:∀X:Univ.∀Y:Univ.∀Z:Univ.eq Univ (add (add X Y) Z) (add X (add Y Z)).
-∀H3:∀X:Univ.∀Y:Univ.eq Univ (add X Y) (add Y X).eq Univ (add (negate (add a (negate b))) (negate (add (negate a) (negate b)))) b
+∀H3:∀X:Univ.∀Y:Univ.eq Univ (add X Y) (add Y X).eq Univ (add (negate (add a (negate b))) (negate (add (negate a) (negate b)))) b)
 .
-#Univ.
-#X.
-#Y.
-#Z.
-#a.
-#add.
-#b.
-#negate.
-#H0.
-#H1.
-#H2.
-#H3.
-nauto by H0,H1,H2,H3;
+#Univ ##.
+#X ##.
+#Y ##.
+#Z ##.
+#a ##.
+#add ##.
+#b ##.
+#negate ##.
+#H0 ##.
+#H1 ##.
+#H2 ##.
+#H3 ##.
+nauto by H0,H1,H2,H3 ##;
 nqed.
 
 (* -------------------------------------------------------------------------- *)