--- /dev/null
+(**************************************************************************)
+(* ___ *)
+(* ||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 *)
+(* *)
+(**************************************************************************)
+
+
+
+(*
+*)
+
+include "Insert/fun.ma".
+(*
+theorem insert_conf: \forall P,Q1,S1,i1. Insert S1 i1 P Q1 \to
+ \forall Q2,S2,i2. Insert S2 i2 P Q2 \to
+ \exists Q,j1,j2.
+ Insert S2 j2 Q1 Q \land Insert S1 j1 Q2 Q.
+ intros 5. elim H; clear H i1 P Q1;
+ [ elim H1; clear H1 i2 c Q2; decompose; autobatch depth = 7 size = 8
+ | lapply linear insert_inv_abst_1 to H3. decompose; destruct;
+ [ autobatch depth = 7 size = 8
+ | lapply linear H2 to H4. decompose. destruct. autobatch depth = 6 size = 8
+ ]
+ ].
+qed.
+
+theorem insert_trans: \forall P1,Q1,S1,i1. Insert S1 i1 P1 Q1 \to
+ \forall Q2,S2,i2. Insert S2 i2 Q1 Q2 \to
+ \exists P2,j1,j2.
+ Insert S2 j2 P1 P2 \land Insert S1 j1 P2 Q2.
+ intros 5. elim H; clear H i1 P1 Q1;
+ [ lapply linear insert_inv_abst_1 to H1. decompose; destruct; autobatch depth = 6 size = 7
+ | lapply linear insert_inv_abst_1 to H3. decompose; destruct;
+ [ clear H2. autobatch depth = 7 size = 8
+ | lapply linear H2 to H4. decompose. destruct. autobatch depth = 6 size = 8
+ ]
+ ].
+qed.
+
+theorem insert_conf_rev: \forall P1,Q,S1,i1. Insert S1 i1 P1 Q \to
+ \forall P2,S2,i2. Insert S2 i2 P2 Q \to
+ (i1 = i2 \land P1 = P2) \lor
+ \exists Q1,Q2,j1,j2.
+ Insert S2 j2 Q2 P1 \land Insert S1 j1 Q1 P2.
+ intros 5; elim H; clear H i1 P1 Q;
+ [ inversion H1; clear H1; intros; destruct; autobatch depth = 7 size = 8
+ | inversion H3; clear H3; intros; destruct;
+ [ autobatch depth = 7 size = 8
+ | clear H3; lapply linear H2 to H; decompose; destruct;
+ autobatch depth = 8 size = 10
+ ]
+ ].
+qed.
+
+theorem insert_conf_rev_full: \forall P1,Q,S1,i1. Insert S1 i1 P1 Q \to
+ \forall P2,S2,i2. Insert S2 i2 P2 Q \to
+ (S1 = S2 \land i1 = i2 \land P1 = P2) \lor
+ \exists Q1,Q2,j1,j2.
+ Insert S2 j2 Q2 P1 \land Insert S1 j1 Q1 P2.
+ intros; lapply insert_conf_rev to H, H1; decompose; destruct;
+ [ lapply linear insert_inj to H, H1; destruct; autobatch depth = 4
+ | autobatch depth = 7 size = 8
+ ].
+qed.
+*)