made executable again

[helm.git] / helm / software / matita / contribs / ng_TPTP / GRP580-1.ma

diff --git a/helm/software/matita/contribs/ng_TPTP/GRP580-1.ma b/helm/software/matita/contribs/ng_TPTP/GRP580-1.ma
index df48bb1b833961608af9761355cb5d12edb1d2c3..8a57cddcf686bcb93c4a2dfbb3db9a7e8f810255 100644 (file)
--- a/helm/software/matita/contribs/ng_TPTP/GRP580-1.ma
+++ b/helm/software/matita/contribs/ng_TPTP/GRP580-1.ma
@@ -4,7 +4,7 @@ include "logic/equality.ma".
 
 (* -------------------------------------------------------------------------- *)
 
-(*  File     : GRP580-1 : TPTP v3.2.0. Bugfixed v2.7.0. *)
+(*  File     : GRP580-1 : TPTP v3.7.0. Bugfixed v2.7.0. *)
 
 (*  Domain   : Group Theory (Abelian) *)
 
@@ -44,7 +44,7 @@ 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.
@@ -54,23 +54,24 @@ ntheorem prove_these_axioms_4:
 ∀H0:∀A:Univ.eq Univ identity (double_divide A (inverse A)).
 ∀H1:∀A:Univ.eq Univ (inverse A) (double_divide A identity).
 ∀H2:∀A:Univ.∀B:Univ.eq Univ (multiply A B) (double_divide (double_divide B A) identity).
-∀H3:∀A:Univ.∀B:Univ.∀C:Univ.eq Univ (double_divide (double_divide A (double_divide (double_divide (double_divide B A) C) (double_divide B identity))) (double_divide identity identity)) C.eq Univ (multiply a b) (multiply b a)
+∀H3:∀A:Univ.∀B:Univ.∀C:Univ.eq Univ (double_divide (double_divide A (double_divide (double_divide (double_divide B A) C) (double_divide B identity))) (double_divide identity identity)) C.eq Univ (multiply a b) (multiply b a))
 .
-#Univ.
-#A.
-#B.
-#C.
-#a.
-#b.
-#double_divide.
-#identity.
-#inverse.
-#multiply.
-#H0.
-#H1.
-#H2.
-#H3.
-nauto by H0,H1,H2,H3;
+#Univ ##.
+#A ##.
+#B ##.
+#C ##.
+#a ##.
+#b ##.
+#double_divide ##.
+#identity ##.
+#inverse ##.
+#multiply ##.
+#H0 ##.
+#H1 ##.
+#H2 ##.
+#H3 ##.
+nauto by H0,H1,H2,H3 ##;
+ntry (nassumption) ##;
 nqed.
 
 (* -------------------------------------------------------------------------- *)