--- /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 "LambdaDelta-1/ty3/defs.ma".
+
+inductive csubt (g: G): C \to (C \to Prop) \def
+| csubt_sort: \forall (n: nat).(csubt g (CSort n) (CSort n))
+| csubt_head: \forall (c1: C).(\forall (c2: C).((csubt g c1 c2) \to (\forall
+(k: K).(\forall (u: T).(csubt g (CHead c1 k u) (CHead c2 k u))))))
+| csubt_void: \forall (c1: C).(\forall (c2: C).((csubt g c1 c2) \to (\forall
+(b: B).((not (eq B b Void)) \to (\forall (u1: T).(\forall (u2: T).(csubt g
+(CHead c1 (Bind Void) u1) (CHead c2 (Bind b) u2))))))))
+| csubt_abst: \forall (c1: C).(\forall (c2: C).((csubt g c1 c2) \to (\forall
+(u: T).(\forall (t: T).((ty3 g c2 u t) \to (csubt g (CHead c1 (Bind Abst) t)
+(CHead c2 (Bind Abbr) u))))))).
+