+++ /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_1/T/defs.ma".
-
-implied rec lemma T_rect (P: (T \to Type[0])) (f: (\forall (n: nat).(P (TSort
-n)))) (f0: (\forall (n: nat).(P (TLRef n)))) (f1: (\forall (k: K).(\forall
-(t: T).((P t) \to (\forall (t0: T).((P t0) \to (P (THead k t t0)))))))) (t:
-T) on t: P t \def match t with [(TSort n) \Rightarrow (f n) | (TLRef n)
-\Rightarrow (f0 n) | (THead k t0 t1) \Rightarrow (f1 k t0 ((T_rect P f f0 f1)
-t0) t1 ((T_rect P f f0 f1) t1))].
-
-implied lemma T_ind:
- \forall (P: ((T \to Prop))).(((\forall (n: nat).(P (TSort n)))) \to
-(((\forall (n: nat).(P (TLRef n)))) \to (((\forall (k: K).(\forall (t: T).((P
-t) \to (\forall (t0: T).((P t0) \to (P (THead k t t0)))))))) \to (\forall (t:
-T).(P t)))))
-\def
- \lambda (P: ((T \to Prop))).(T_rect P).
-
-lemma thead_x_y_y:
- \forall (k: K).(\forall (v: T).(\forall (t: T).((eq T (THead k v t) t) \to
-(\forall (P: Prop).P))))
-\def
- \lambda (k: K).(\lambda (v: T).(\lambda (t: T).(T_ind (\lambda (t0: T).((eq
-T (THead k v t0) t0) \to (\forall (P: Prop).P))) (\lambda (n: nat).(\lambda
-(H: (eq T (THead k v (TSort n)) (TSort n))).(\lambda (P: Prop).(let H0 \def
-(eq_ind T (THead k v (TSort n)) (\lambda (ee: T).(match ee with [(TSort _)
-\Rightarrow False | (TLRef _) \Rightarrow False | (THead _ _ _) \Rightarrow
-True])) I (TSort n) H) in (False_ind P H0))))) (\lambda (n: nat).(\lambda (H:
-(eq T (THead k v (TLRef n)) (TLRef n))).(\lambda (P: Prop).(let H0 \def
-(eq_ind T (THead k v (TLRef n)) (\lambda (ee: T).(match ee with [(TSort _)
-\Rightarrow False | (TLRef _) \Rightarrow False | (THead _ _ _) \Rightarrow
-True])) I (TLRef n) H) in (False_ind P H0))))) (\lambda (k0: K).(\lambda (t0:
-T).(\lambda (_: (((eq T (THead k v t0) t0) \to (\forall (P:
-Prop).P)))).(\lambda (t1: T).(\lambda (H0: (((eq T (THead k v t1) t1) \to
-(\forall (P: Prop).P)))).(\lambda (H1: (eq T (THead k v (THead k0 t0 t1))
-(THead k0 t0 t1))).(\lambda (P: Prop).(let H2 \def (f_equal T K (\lambda (e:
-T).(match e with [(TSort _) \Rightarrow k | (TLRef _) \Rightarrow k | (THead
-k1 _ _) \Rightarrow k1])) (THead k v (THead k0 t0 t1)) (THead k0 t0 t1) H1)
-in ((let H3 \def (f_equal T T (\lambda (e: T).(match e with [(TSort _)
-\Rightarrow v | (TLRef _) \Rightarrow v | (THead _ t2 _) \Rightarrow t2]))
-(THead k v (THead k0 t0 t1)) (THead k0 t0 t1) H1) in ((let H4 \def (f_equal T
-T (\lambda (e: T).(match e with [(TSort _) \Rightarrow (THead k0 t0 t1) |
-(TLRef _) \Rightarrow (THead k0 t0 t1) | (THead _ _ t2) \Rightarrow t2]))
-(THead k v (THead k0 t0 t1)) (THead k0 t0 t1) H1) in (\lambda (H5: (eq T v
-t0)).(\lambda (H6: (eq K k k0)).(let H7 \def (eq_ind T v (\lambda (t2:
-T).((eq T (THead k t2 t1) t1) \to (\forall (P0: Prop).P0))) H0 t0 H5) in (let
-H8 \def (eq_ind K k (\lambda (k1: K).((eq T (THead k1 t0 t1) t1) \to (\forall
-(P0: Prop).P0))) H7 k0 H6) in (H8 H4 P)))))) H3)) H2))))))))) t))).
-