--- /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 *)
+(* *)
+(**************************************************************************)
+
+(* This file was automatically generated: do not edit *********************)
+
+include "basic_1A/sn3/defs.ma".
+
+include "basic_1A/arity/defs.ma".
+
+include "basic_1A/drop1/defs.ma".
+
+rec definition sc3 (g: G) (a: A) on a: C \to (T \to Prop) \def \lambda (c:
+C).(\lambda (t: T).(match a with [(ASort h n) \Rightarrow (land (arity g c t
+(ASort h n)) (sn3 c t)) | (AHead a1 a2) \Rightarrow (land (arity g c t (AHead
+a1 a2)) (\forall (d: C).(\forall (w: T).((sc3 g a1 d w) \to (\forall (is:
+PList).((drop1 is d c) \to (sc3 g a2 d (THead (Flat Appl) w (lift1 is
+t)))))))))])).
+