useless box removed

[helm.git] / helm / software / matita / contribs / ng_TPTP / GRP458-1.ma

diff --git a/helm/software/matita/contribs/ng_TPTP/GRP458-1.ma b/helm/software/matita/contribs/ng_TPTP/GRP458-1.ma
index c176d88df5007ab8cca214d516a7d20cb483d27d..1bb0d9e5cd4e2624e3da14576276380003452cca 100644 (file)
--- a/helm/software/matita/contribs/ng_TPTP/GRP458-1.ma
+++ b/helm/software/matita/contribs/ng_TPTP/GRP458-1.ma
@@ -4,7 +4,7 @@ include "logic/equality.ma".
 
 (* -------------------------------------------------------------------------- *)
 
-(*  File     : GRP458-1 : TPTP v3.2.0. Released v2.6.0. *)
+(*  File     : GRP458-1 : TPTP v3.7.0. Released v2.6.0. *)
 
 (*  Domain   : Group Theory *)
 
@@ -42,7 +42,7 @@ include "logic/equality.ma".
 
 (* -------------------------------------------------------------------------- *)
 ntheorem prove_these_axioms_2:
- ∀Univ:Type.∀A:Univ.∀B:Univ.∀C:Univ.
+ (∀Univ:Type.∀A:Univ.∀B:Univ.∀C:Univ.
 ∀a2:Univ.
 ∀divide:∀_:Univ.∀_:Univ.Univ.
 ∀identity:Univ.
@@ -51,22 +51,23 @@ ntheorem prove_these_axioms_2:
 ∀H0:∀A:Univ.eq Univ identity (divide A A).
 ∀H1:∀A:Univ.eq Univ (inverse A) (divide identity A).
 ∀H2:∀A:Univ.∀B:Univ.eq Univ (multiply A B) (divide A (divide identity B)).
-∀H3:∀A:Univ.∀B:Univ.∀C:Univ.eq Univ (divide (divide (divide A A) (divide A (divide B (divide (divide identity A) C)))) C) B.eq Univ (multiply identity a2) a2
+∀H3:∀A:Univ.∀B:Univ.∀C:Univ.eq Univ (divide (divide (divide A A) (divide A (divide B (divide (divide identity A) C)))) C) B.eq Univ (multiply identity a2) a2)
 .
-#Univ.
-#A.
-#B.
-#C.
-#a2.
-#divide.
-#identity.
-#inverse.
-#multiply.
-#H0.
-#H1.
-#H2.
-#H3.
-nauto by H0,H1,H2,H3;
+#Univ ##.
+#A ##.
+#B ##.
+#C ##.
+#a2 ##.
+#divide ##.
+#identity ##.
+#inverse ##.
+#multiply ##.
+#H0 ##.
+#H1 ##.
+#H2 ##.
+#H3 ##.
+nauto by H0,H1,H2,H3 ##;
+ntry (nassumption) ##;
 nqed.
 
 (* -------------------------------------------------------------------------- *)