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+(**************************************************************************)
+(* ___ *)
+(* ||M|| *)
+(* ||A|| A project by Andrea Asperti *)
+(* ||T|| *)
+(* ||I|| Developers: *)
+(* ||T|| The HELM team. *)
+(* ||A|| http://helm.cs.unibo.it *)
+(* \ / *)
+(* \ / This file is distributed under the terms of the *)
+(* v GNU General Public License Version 2 *)
+(* *)
+(**************************************************************************)
+
+set "baseuri" "cic:/matita/test/tacticals".
+
+inductive myand (A, B: Prop) : Prop \def
+ | myconj : ∀a:A.∀b:B. myand A B.
+
+lemma prova:
+ ∀A,B,C,D:Prop.∀a:A.∀b:B.∀c:C.∀d:D.myand (myand A B) (myand C D).
+ intros; try (apply myconj); try assumption; try (apply myconj);
+ try assumption.
+qed.
+
+lemma prova2:
+ ∀A,B,C,D:Prop.∀a:A.∀b:B.∀c:C.∀d:D.myand (myand A B) (myand C D).
+ intros; progress (apply myconj; apply myconj);
+ solve [assumption].
+qed.
+
+lemma prova3:
+ ∀A,B,C,D:Prop.∀a:A.∀b:B.∀c:C.∀d:D.myand (myand A B) (myand C D).
+ intros; repeat first [ assumption | apply myconj].
+qed.
+
+lemma prova4:
+ ∀A,B,C,D:Prop.∀a:A.∀b:B.∀c:C.∀d:D.myand (myand A B) (myand C D).
+ intros;
+ repeat apply myconj;
+ assumption.
+qed.
+
+lemma prova6:
+ ∀A,B,C,D:Prop.∀a:A.∀b:B.∀c:C.∀d:D.myand (myand A B) (myand C D).
+ intros; apply myconj;
+ [1:repeat (constructor 1; try assumption)
+ |2:repeat (constructor 1; try assumption)
+ ]
+qed.
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