(* *)
(**************************************************************************)
-include "basic_2/rt_computation/lpxs_rdeq.ma".
+include "basic_2/rt_computation/lpxs_reqg.ma".
include "basic_2/rt_computation/lpxs_lpxs.ma".
include "basic_2/rt_computation/rsx_rsx.ma".
-(* STRONGLY NORMALIZING REFERRED LOCAL ENV.S FOR UNBOUND RT-TRANSITION ******)
+(* STRONGLY NORMALIZING REFERRED LOCAL ENVS FOR EXTENDED RT-TRANSITION ******)
-(* Properties with unbound rt-computation for full local environments *******)
+(* Properties with extended rt-computation for full local environments ******)
(* Basic_2A1: uses: lsx_intro_alt *)
-lemma rsx_intro_lpxs (h) (G):
- â\88\80L1,T. (â\88\80L2. â¦\83G,L1â¦\84 â\8a¢ â¬\88*[h] L2 â\86\92 (L1 â\89\9b[T] L2 â\86\92 â\8a¥) â\86\92 G â\8a¢ â¬\88*[h,T] ð\9d\90\92â¦\83L2â¦\84) →
- G ⊢ ⬈*[h,T] 𝐒⦃L1⦄.
+lemma rsx_intro_lpxs (G):
+ â\88\80L1,T. (â\88\80L2. â\9dªG,L1â\9d« â\8a¢ â¬\88* L2 â\86\92 (L1 â\89\85[T] L2 â\86\92 â\8a¥) â\86\92 G â\8a¢ â¬\88*ð\9d\90\92[T] L2) →
+ G ⊢ ⬈*𝐒[T] L1.
/4 width=1 by lpx_lpxs, rsx_intro/ qed-.
(* Basic_2A1: uses: lsx_lpxs_trans *)
-lemma rsx_lpxs_trans (h) (G):
- ∀L1,T. G ⊢ ⬈*[h,T] 𝐒⦃L1⦄ →
- â\88\80L2. â¦\83G,L1â¦\84 â\8a¢ â¬\88*[h] L2 â\86\92 G â\8a¢ â¬\88*[h,T] ð\9d\90\92â¦\83L2â¦\84.
-#h #G #L1 #T #HL1 #L2 #H @(lpxs_ind_dx … H) -L2
+lemma rsx_lpxs_trans (G):
+ ∀L1,T. G ⊢ ⬈*𝐒[T] L1 →
+ â\88\80L2. â\9dªG,L1â\9d« â\8a¢ â¬\88* L2 â\86\92 G â\8a¢ â¬\88*ð\9d\90\92[T] L2.
+#G #L1 #T #HL1 #L2 #H @(lpxs_ind_dx … H) -L2
/2 width=3 by rsx_lpx_trans/
qed-.
-(* Eliminators with unbound rt-computation for full local environments ******)
+(* Eliminators with extended rt-computation for full local environments *****)
-lemma rsx_ind_lpxs_rdeq (h) (G) (T) (Q:predicate lenv):
- (∀L1. G ⊢ ⬈*[h,T] 𝐒⦃L1⦄ →
- (∀L2. ⦃G,L1⦄ ⊢ ⬈*[h] L2 → (L1 ≛[T] L2 → ⊥) → Q L2) →
- Q L1
+lemma rsx_ind_lpxs_reqx (G) (T) (Q:predicate lenv):
+ (∀L1. G ⊢ ⬈*𝐒[T] L1 →
+ (∀L2. ❪G,L1❫ ⊢ ⬈* L2 → (L1 ≅[T] L2 → ⊥) → Q L2) →
+ Q L1
) →
- ∀L1. G ⊢ ⬈*[h,T] 𝐒⦃L1⦄ →
- â\88\80L0. â¦\83G,L1â¦\84 â\8a¢ â¬\88*[h] L0 â\86\92 â\88\80L2. L0 â\89\9b[T] L2 → Q L2.
-#h #G #T #Q #IH #L1 #H @(rsx_ind … H) -L1
+ ∀L1. G ⊢ ⬈*𝐒[T] L1 →
+ â\88\80L0. â\9dªG,L1â\9d« â\8a¢ â¬\88* L0 â\86\92 â\88\80L2. L0 â\89\85[T] L2 → Q L2.
+#G #T #Q #IH #L1 #H @(rsx_ind … H) -L1
#L1 #HL1 #IH1 #L0 #HL10 #L2 #HL02
-@IH -IH /3 width=3 by rsx_lpxs_trans, rsx_rdeq_trans/ -HL1 #K2 #HLK2 #HnLK2
-lapply (rdeq_rdneq_trans … HL02 … HnLK2) -HnLK2 #H
-elim (rdeq_lpxs_trans … HLK2 … HL02) -L2 #K0 #HLK0 #HK02
-lapply (rdneq_rdeq_canc_dx … H … HK02) -H #HnLK0
-elim (rdeq_dec L1 L0 T) #H
-[ lapply (rdeq_rdneq_trans … H … HnLK0) -H -HnLK0 #Hn10
+@IH -IH /3 width=3 by rsx_lpxs_trans, rsx_reqx_trans/ -HL1 #K2 #HLK2 #HnLK2
+lapply (reqg_rneqg_trans … HL02 … HnLK2) -HnLK2 // #H
+elim (reqg_lpxs_trans … HLK2 … HL02) -L2 // #K0 #HLK0 #HK02
+lapply (rneqg_reqg_canc_dx … H … HK02) -H // #HnLK0
+elim (reqx_dec L1 L0 T) #H
+[ lapply (reqg_rneqg_trans … H … HnLK0) -H -HnLK0 // #Hn10
lapply (lpxs_trans … HL10 … HLK0) -L0 #H10
- elim (lpxs_rdneq_inv_step_sn … H10 … Hn10) -H10 -Hn10
- /3 width=8 by rdeq_trans/
-| elim (lpxs_rdneq_inv_step_sn … HL10 … H) -HL10 -H #L #K #HL1 #HnL1 #HLK #HKL0
- elim (rdeq_lpxs_trans … HLK0 … HKL0) -L0
- /3 width=8 by lpxs_trans, rdeq_trans/
+ elim (lpxs_rneqg_inv_step_sn … H10 … Hn10) -H10 -Hn10
+ /3 width=8 by reqg_trans, sfull_dec/
+| elim (lpxs_rneqg_inv_step_sn … HL10 … H) -HL10 -H /2 width=1 by sfull_dec/ #L #K #HL1 #HnL1 #HLK #HKL0
+ elim (reqg_lpxs_trans … HLK0 … HKL0) -L0
+ /3 width=8 by lpxs_trans, reqg_trans/
]
qed-.
(* Basic_2A1: uses: lsx_ind_alt *)
-lemma rsx_ind_lpxs (h) (G) (T) (Q:predicate lenv):
- (∀L1. G ⊢ ⬈*[h,T] 𝐒⦃L1⦄ →
- (∀L2. ⦃G,L1⦄ ⊢ ⬈*[h] L2 → (L1 ≛[T] L2 → ⊥) → Q L2) →
- Q L1
+lemma rsx_ind_lpxs (G) (T) (Q:predicate lenv):
+ (∀L1. G ⊢ ⬈*𝐒[T] L1 →
+ (∀L2. ❪G,L1❫ ⊢ ⬈* L2 → (L1 ≅[T] L2 → ⊥) → Q L2) →
+ Q L1
) →
- ∀L. G ⊢ ⬈*[h,T] 𝐒⦃L⦄ → Q L.
-#h #G #T #Q #IH #L #HL
-@(rsx_ind_lpxs_rdeq … IH … HL) -IH -HL // (**) (* full auto fails *)
+ ∀L. G ⊢ ⬈*𝐒[T] L → Q L.
+#G #T #Q #IH #L #HL
+@(rsx_ind_lpxs_reqx … IH … HL) -IH -HL
+/2 width=3 by rex_refl/ (**) (* full auto fails *)
qed-.
(* Advanced properties ******************************************************)
-fact rsx_bind_lpxs_aux (h) (G):
- ∀p,I,L1,V. G ⊢ ⬈*[h,V] 𝐒⦃L1⦄ →
- ∀Y,T. G ⊢ ⬈*[h,T] 𝐒⦃Y⦄ →
- ∀L2. Y = L2.ⓑ{I}V → ⦃G,L1⦄ ⊢ ⬈*[h] L2 →
- G ⊢ ⬈*[h,ⓑ{p,I}V.T] 𝐒⦃L2⦄.
-#h #G #p #I #L1 #V #H @(rsx_ind_lpxs … H) -L1
+fact rsx_bind_lpxs_aux (G):
+ ∀p,I,L1,V. G ⊢ ⬈*𝐒[V] L1 →
+ ∀Y,T. G ⊢ ⬈*𝐒[T] Y →
+ ∀L2. Y = L2.ⓑ[I]V → ❪G,L1❫ ⊢ ⬈* L2 →
+ G ⊢ ⬈*𝐒[ⓑ[p,I]V.T] L2.
+#G #p #I #L1 #V #H @(rsx_ind_lpxs … H) -L1
#L1 #_ #IHL1 #Y #T #H @(rsx_ind_lpxs … H) -Y
#Y #HY #IHY #L2 #H #HL12 destruct
@rsx_intro_lpxs #L0 #HL20
lapply (lpxs_trans … HL12 … HL20) #HL10 #H
-elim (rdneq_inv_bind … H) -H [ -IHY | -HY -IHL1 -HL12 ]
-[ #HnV elim (rdeq_dec L1 L2 V)
+elim (rneqg_inv_bind … H) -H /2 width=1 by sfull_dec/ [ -IHY | -HY -IHL1 -HL12 ]
+[ #HnV elim (reqx_dec L1 L2 V)
[ #HV @(IHL1 … HL10) -IHL1 -HL12 -HL10
- /3 width=4 by rsx_lpxs_trans, lpxs_bind_refl_dx, rdeq_canc_sn/ (**) (* full auto too slow *)
+ /3 width=4 by rsx_lpxs_trans, lpxs_bind_refl_dx, reqg_canc_sn/ (**) (* full auto too slow *)
| -HnV -HL10 /4 width=4 by rsx_lpxs_trans, lpxs_bind_refl_dx/
]
| /3 width=4 by lpxs_bind_refl_dx/
qed-.
(* Basic_2A1: uses: lsx_bind *)
-lemma rsx_bind (h) (G):
- ∀p,I,L,V. G ⊢ ⬈*[h,V] 𝐒⦃L⦄ →
- ∀T. G ⊢ ⬈*[h,T] 𝐒⦃L.ⓑ{I}V⦄ →
- G ⊢ ⬈*[h,ⓑ{p,I}V.T] 𝐒⦃L⦄.
+lemma rsx_bind (G):
+ ∀p,I,L,V. G ⊢ ⬈*𝐒[V] L →
+ ∀T. G ⊢ ⬈*𝐒[T] L.ⓑ[I]V →
+ G ⊢ ⬈*𝐒[ⓑ[p,I]V.T] L.
/2 width=3 by rsx_bind_lpxs_aux/ qed.
(* Basic_2A1: uses: lsx_flat_lpxs *)
-lemma rsx_flat_lpxs (h) (G):
- ∀I,L1,V. G ⊢ ⬈*[h,V] 𝐒⦃L1⦄ →
- ∀L2,T. G ⊢ ⬈*[h,T] 𝐒⦃L2⦄ → ⦃G,L1⦄ ⊢ ⬈*[h] L2 →
- G ⊢ ⬈*[h,ⓕ{I}V.T] 𝐒⦃L2⦄.
-#h #G #I #L1 #V #H @(rsx_ind_lpxs … H) -L1
+lemma rsx_flat_lpxs (G):
+ ∀I,L1,V. G ⊢ ⬈*𝐒[V] L1 →
+ ∀L2,T. G ⊢ ⬈*𝐒[T] L2 → ❪G,L1❫ ⊢ ⬈* L2 →
+ G ⊢ ⬈*𝐒[ⓕ[I]V.T] L2.
+#G #I #L1 #V #H @(rsx_ind_lpxs … H) -L1
#L1 #HL1 #IHL1 #L2 #T #H @(rsx_ind_lpxs … H) -L2
#L2 #HL2 #IHL2 #HL12 @rsx_intro_lpxs
#L0 #HL20 lapply (lpxs_trans … HL12 … HL20)
-#HL10 #H elim (rdneq_inv_flat … H) -H [ -HL1 -IHL2 | -HL2 -IHL1 ]
-[ #HnV elim (rdeq_dec L1 L2 V)
+#HL10 #H elim (rneqg_inv_flat … H) -H /2 width=1 by sfull_dec/ [ -HL1 -IHL2 | -HL2 -IHL1 ]
+[ #HnV elim (reqx_dec L1 L2 V)
[ #HV @(IHL1 … HL10) -IHL1 -HL12 -HL10
- /3 width=5 by rsx_lpxs_trans, rdeq_canc_sn/ (**) (* full auto too slow: 47s *)
+ /3 width=5 by rsx_lpxs_trans, reqg_canc_sn/ (**) (* full auto too slow: 47s *)
| -HnV -HL10 /3 width=4 by rsx_lpxs_trans/
]
| /3 width=3 by/
qed-.
(* Basic_2A1: uses: lsx_flat *)
-lemma rsx_flat (h) (G):
- ∀I,L,V. G ⊢ ⬈*[h,V] 𝐒⦃L⦄ →
- ∀T. G ⊢ ⬈*[h,T] 𝐒⦃L⦄ → G ⊢ ⬈*[h,ⓕ{I}V.T] 𝐒⦃L⦄.
+lemma rsx_flat (G):
+ ∀I,L,V. G ⊢ ⬈*𝐒[V] L →
+ ∀T. G ⊢ ⬈*𝐒[T] L → G ⊢ ⬈*𝐒[ⓕ[I]V.T] L.
/2 width=3 by rsx_flat_lpxs/ qed.
-fact rsx_bind_lpxs_void_aux (h) (G):
- ∀p,I,L1,V. G ⊢ ⬈*[h,V] 𝐒⦃L1⦄ →
- ∀Y,T. G ⊢ ⬈*[h,T] 𝐒⦃Y⦄ →
- â\88\80L2. Y = L2.â\93§ â\86\92 â¦\83G,L1â¦\84 â\8a¢ â¬\88*[h] L2 →
- G ⊢ ⬈*[h,ⓑ{p,I}V.T] 𝐒⦃L2⦄.
-#h #G #p #I #L1 #V #H @(rsx_ind_lpxs … H) -L1
+fact rsx_bind_lpxs_void_aux (G):
+ ∀p,I,L1,V. G ⊢ ⬈*𝐒[V] L1 →
+ ∀Y,T. G ⊢ ⬈*𝐒[T] Y →
+ â\88\80L2. Y = L2.â\93§ â\86\92 â\9dªG,L1â\9d« â\8a¢ â¬\88* L2 →
+ G ⊢ ⬈*𝐒[ⓑ[p,I]V.T] L2.
+#G #p #I #L1 #V #H @(rsx_ind_lpxs … H) -L1
#L1 #_ #IHL1 #Y #T #H @(rsx_ind_lpxs … H) -Y
#Y #HY #IHY #L2 #H #HL12 destruct
@rsx_intro_lpxs #L0 #HL20
lapply (lpxs_trans … HL12 … HL20) #HL10 #H
-elim (rdneq_inv_bind_void … H) -H [ -IHY | -HY -IHL1 -HL12 ]
-[ #HnV elim (rdeq_dec L1 L2 V)
+elim (rneqg_inv_bind_void … H) -H /2 width=1 by sfull_dec/ [ -IHY | -HY -IHL1 -HL12 ]
+[ #HnV elim (reqx_dec L1 L2 V)
[ #HV @(IHL1 … HL10) -IHL1 -HL12 -HL10
- /3 width=6 by rsx_lpxs_trans, lpxs_bind_refl_dx, rdeq_canc_sn/ (**) (* full auto too slow *)
+ /3 width=6 by rsx_lpxs_trans, lpxs_bind_refl_dx, reqg_canc_sn/ (**) (* full auto too slow *)
| -HnV -HL10 /4 width=4 by rsx_lpxs_trans, lpxs_bind_refl_dx/
]
| /3 width=4 by lpxs_bind_refl_dx/
]
qed-.
-lemma rsx_bind_void (h) (G):
- ∀p,I,L,V. G ⊢ ⬈*[h,V] 𝐒⦃L⦄ →
- ∀T. G ⊢ ⬈*[h,T] 𝐒⦃L.ⓧ⦄ →
- G ⊢ ⬈*[h,ⓑ{p,I}V.T] 𝐒⦃L⦄.
+lemma rsx_bind_void (G):
+ ∀p,I,L,V. G ⊢ ⬈*𝐒[V] L →
+ ∀T. G ⊢ ⬈*𝐒[T] L.ⓧ →
+ G ⊢ ⬈*𝐒[ⓑ[p,I]V.T] L.
/2 width=3 by rsx_bind_lpxs_void_aux/ qed.