1 (**************************************************************************)
4 (* ||A|| A project by Andrea Asperti *)
6 (* ||I|| Developers: *)
7 (* ||T|| The HELM team. *)
8 (* ||A|| http://helm.cs.unibo.it *)
10 (* \ / This file is distributed under the terms of the *)
11 (* v GNU General Public License Version 2 *)
13 (**************************************************************************)
15 (* This file was automatically generated: do not edit *********************)
17 include "basic_1A/T/fwd.ma".
19 include "basic_1A/iso/fwd.ma".
22 \forall (t: T).(iso t t)
24 \lambda (t: T).(T_ind (\lambda (t0: T).(iso t0 t0)) (\lambda (n:
25 nat).(iso_sort n n)) (\lambda (n: nat).(iso_lref n n)) (\lambda (k:
26 K).(\lambda (t0: T).(\lambda (_: (iso t0 t0)).(\lambda (t1: T).(\lambda (_:
27 (iso t1 t1)).(iso_head t0 t0 t1 t1 k)))))) t).
30 \forall (t1: T).(\forall (t2: T).((iso t1 t2) \to (\forall (t3: T).((iso t2
31 t3) \to (iso t1 t3)))))
33 \lambda (t1: T).(\lambda (t2: T).(\lambda (H: (iso t1 t2)).(iso_ind (\lambda
34 (t: T).(\lambda (t0: T).(\forall (t3: T).((iso t0 t3) \to (iso t t3)))))
35 (\lambda (n1: nat).(\lambda (n2: nat).(\lambda (t3: T).(\lambda (H0: (iso
36 (TSort n2) t3)).(let H_x \def (iso_gen_sort t3 n2 H0) in (let H1 \def H_x in
37 (ex_ind nat (\lambda (n3: nat).(eq T t3 (TSort n3))) (iso (TSort n1) t3)
38 (\lambda (x: nat).(\lambda (H2: (eq T t3 (TSort x))).(eq_ind_r T (TSort x)
39 (\lambda (t: T).(iso (TSort n1) t)) (iso_sort n1 x) t3 H2))) H1)))))))
40 (\lambda (i1: nat).(\lambda (i2: nat).(\lambda (t3: T).(\lambda (H0: (iso
41 (TLRef i2) t3)).(let H_x \def (iso_gen_lref t3 i2 H0) in (let H1 \def H_x in
42 (ex_ind nat (\lambda (n2: nat).(eq T t3 (TLRef n2))) (iso (TLRef i1) t3)
43 (\lambda (x: nat).(\lambda (H2: (eq T t3 (TLRef x))).(eq_ind_r T (TLRef x)
44 (\lambda (t: T).(iso (TLRef i1) t)) (iso_lref i1 x) t3 H2))) H1)))))))
45 (\lambda (v1: T).(\lambda (v2: T).(\lambda (t3: T).(\lambda (t4: T).(\lambda
46 (k: K).(\lambda (t5: T).(\lambda (H0: (iso (THead k v2 t4) t5)).(let H_x \def
47 (iso_gen_head k v2 t4 t5 H0) in (let H1 \def H_x in (ex_2_ind T T (\lambda
48 (v3: T).(\lambda (t6: T).(eq T t5 (THead k v3 t6)))) (iso (THead k v1 t3) t5)
49 (\lambda (x0: T).(\lambda (x1: T).(\lambda (H2: (eq T t5 (THead k x0
50 x1))).(eq_ind_r T (THead k x0 x1) (\lambda (t: T).(iso (THead k v1 t3) t))
51 (iso_head v1 x0 t3 x1 k) t5 H2)))) H1)))))))))) t1 t2 H))).