X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fcontribs%2Fng_TPTP%2FROB032-1.ma;h=72e2506aa59161350e5510af9fd48ecc01404ec5;hb=0639dda9142d1cf047b07e61fb557e8877aba4d8;hp=10130dfc7b745a41691f05c560b24fe47c782941;hpb=11e495dda047bcdfa4267c06cad2d074fcffe3e3;p=helm.git

diff --git a/helm/software/matita/contribs/ng_TPTP/ROB032-1.ma b/helm/software/matita/contribs/ng_TPTP/ROB032-1.ma
index 10130dfc7..72e2506aa 100644
--- a/helm/software/matita/contribs/ng_TPTP/ROB032-1.ma
+++ b/helm/software/matita/contribs/ng_TPTP/ROB032-1.ma
@@ -98,33 +98,31 @@ include "logic/equality.ma".
 
 (* -------------------------------------------------------------------------- *)
 ntheorem prove_absorbtion:
- ∀Univ:Type.∀C:Univ.∀D:Univ.∀X:Univ.∀Y:Univ.∀Z:Univ.
+ (∀Univ:Type.∀C:Univ.∀D:Univ.∀X:Univ.∀Y:Univ.∀Z:Univ.
 ∀add:∀_:Univ.∀_:Univ.Univ.
 ∀negate:∀_:Univ.Univ.
 ∀H0:∀X:Univ.∀Y:Univ.eq Univ (negate (add (negate (add X Y)) (negate (add X (negate Y))))) X.
 ∀H1:∀X:Univ.∀Y:Univ.∀Z:Univ.eq Univ (add (add X Y) Z) (add X (add Y Z)).
-∀H2:∀X:Univ.∀Y:Univ.eq Univ (add X Y) (add Y X).∃C:Univ.∃D:Univ.eq Univ (add C D) D
+∀H2:∀X:Univ.∀Y:Univ.eq Univ (add X Y) (add Y X).∃C:Univ.∃D:Univ.eq Univ (add C D) D)
 .
-#Univ.
-#C.
-#D.
-#X.
-#Y.
-#Z.
-#add.
-#negate.
-#H0.
-#H1.
-#H2.
-napply ex_intro[
-nid2:
-napply ex_intro[
-nid2:
-nauto by H0,H1,H2;
-nid|
-skip]
-nid|
-skip]
+#Univ ##.
+#C ##.
+#D ##.
+#X ##.
+#Y ##.
+#Z ##.
+#add ##.
+#negate ##.
+#H0 ##.
+#H1 ##.
+#H2 ##.
+napply (ex_intro ? ? ? ?) ##[
+##2:
+napply (ex_intro ? ? ? ?) ##[
+##2:
+nauto by H0,H1,H2 ##;
+##| ##skip ##]
+##| ##skip ##]
 nqed.
 
 (* -------------------------------------------------------------------------- *)