--- /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 "NPlusList/defs.ma".
+(*
+axiom npluslist_gen_cons: \forall l,q,r.
+ NPlusList (cons ? l q) r \to
+ \exists p. NPlusList l p \land NPlus p q r.
+(*
+ intros. inversion H; clear H; intros;
+ [ id
+ | destruct.
+*)
+
+theorem npluslist_inj_2: \forall ns1,ns2,n.
+ NPlusListEq (cons ? ns1 n) (cons ? ns2 n) \to
+ NPlusListEq ns1 ns2.
+ unfold NPlusListEq. intros. decompose.
+ lapply linear npluslist_gen_cons to H. decompose.
+ lapply linear npluslist_gen_cons to H2. decompose.
+*)
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