(* *)
(**************************************************************************)
-include "basic_2/notation/relations/predsubtystrong_5.ma".
+include "basic_2/notation/relations/predsubtystrong_4.ma".
include "basic_2/rt_transition/fpb.ma".
(* STRONGLY NORMALIZING CLOSURES FOR PARALLEL RST-TRANSITION ****************)
-inductive fsb (h) (o): relation3 genv lenv term ≝
+inductive fsb (h): relation3 genv lenv term ≝
| fsb_intro: ∀G1,L1,T1. (
- ∀G2,L2,T2. ⦃G1, L1, T1⦄ ≻[h, o] ⦃G2, L2, T2⦄ → fsb h o G2 L2 T2
- ) → fsb h o G1 L1 T1
+ ∀G2,L2,T2. ❪G1,L1,T1❫ ≻[h] ❪G2,L2,T2❫ → fsb h G2 L2 T2
+ ) → fsb h G1 L1 T1
.
interpretation
"strong normalization for parallel rst-transition (closure)"
- 'PRedSubTyStrong h o G L T = (fsb h o G L T).
+ 'PRedSubTyStrong h G L T = (fsb h G L T).
(* Basic eliminators ********************************************************)
(* Note: eliminator with shorter ground hypothesis *)
-(* Note: to be named fsb_ind when fsb becomes a definition like csx, lfsx ***)
-lemma fsb_ind_alt: ∀h,o. ∀R: relation3 …. (
- ∀G1,L1,T1. ≥[h,o] 𝐒⦃G1, L1, T1⦄ → (
- ∀G2,L2,T2. ⦃G1, L1, T1⦄ ≻[h, o] ⦃G2, L2, T2⦄ → R G2 L2 T2
- ) → R G1 L1 T1
- ) →
- ∀G,L,T. ≥[h, o] 𝐒⦃G, L, T⦄ → R G L T.
-#h #o #R #IH #G #L #T #H elim H -G -L -T
+(* Note: to be named fsb_ind when fsb becomes a definition like csx, rsx ****)
+lemma fsb_ind_alt (h) (Q:relation3 …):
+ (∀G1,L1,T1. ≥𝐒[h] ❪G1,L1,T1❫ →
+ (∀G2,L2,T2. ❪G1,L1,T1❫ ≻[h] ❪G2,L2,T2❫ → Q G2 L2 T2) →
+ Q G1 L1 T1
+ ) →
+ ∀G,L,T. ≥𝐒[h] ❪G,L,T❫ → Q G L T.
+#h #Q #IH #G #L #T #H elim H -G -L -T
/4 width=1 by fsb_intro/
qed-.
-(* Basic_2A1: removed theorems 5:
+(* Basic_2A1: removed theorems 6:
fsba_intro fsba_ind_alt fsba_fpbs_trans fsb_fsba fsba_inv_fsb
+ aaa_fsba
*)