(* Basic_2A1: uses: lsx_intro_alt *)
lemma rsx_intro_lpxs (G):
- â\88\80L1,T. (â\88\80L2. â\9dªG,L1â\9d« ⊢ ⬈* L2 → (L1 ≅[T] L2 → ⊥) → G ⊢ ⬈*𝐒[T] L2) →
+ â\88\80L1,T. (â\88\80L2. â\9d¨G,L1â\9d© ⊢ ⬈* L2 → (L1 ≅[T] L2 → ⊥) → G ⊢ ⬈*𝐒[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 (G):
∀L1,T. G ⊢ ⬈*𝐒[T] L1 →
- â\88\80L2. â\9dªG,L1â\9d« ⊢ ⬈* L2 → G ⊢ ⬈*𝐒[T] L2.
+ â\88\80L2. â\9d¨G,L1â\9d© ⊢ ⬈* L2 → G ⊢ ⬈*𝐒[T] L2.
#G #L1 #T #HL1 #L2 #H @(lpxs_ind_dx … H) -L2
/2 width=3 by rsx_lpx_trans/
qed-.
lemma rsx_ind_lpxs_reqx (G) (T) (Q:predicate lenv):
(∀L1. G ⊢ ⬈*𝐒[T] L1 →
- (â\88\80L2. â\9dªG,L1â\9d« ⊢ ⬈* L2 → (L1 ≅[T] L2 → ⊥) → Q L2) →
+ (â\88\80L2. â\9d¨G,L1â\9d© ⊢ ⬈* L2 → (L1 ≅[T] L2 → ⊥) → Q L2) →
Q L1
) →
∀L1. G ⊢ ⬈*𝐒[T] L1 →
- â\88\80L0. â\9dªG,L1â\9d« ⊢ ⬈* L0 → ∀L2. L0 ≅[T] L2 → Q L2.
+ â\88\80L0. â\9d¨G,L1â\9d© ⊢ ⬈* L0 → ∀L2. L0 ≅[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_reqx_trans/ -HL1 #K2 #HLK2 #HnLK2
(* Basic_2A1: uses: lsx_ind_alt *)
lemma rsx_ind_lpxs (G) (T) (Q:predicate lenv):
(∀L1. G ⊢ ⬈*𝐒[T] L1 →
- (â\88\80L2. â\9dªG,L1â\9d« ⊢ ⬈* L2 → (L1 ≅[T] L2 → ⊥) → Q L2) →
+ (â\88\80L2. â\9d¨G,L1â\9d© ⊢ ⬈* L2 → (L1 ≅[T] L2 → ⊥) → Q L2) →
Q L1
) →
∀L. G ⊢ ⬈*𝐒[T] L → Q L.
fact rsx_bind_lpxs_aux (G):
∀p,I,L1,V. G ⊢ ⬈*𝐒[V] L1 →
∀Y,T. G ⊢ ⬈*𝐒[T] Y →
- â\88\80L2. Y = L2.â\93\91[I]V â\86\92 â\9dªG,L1â\9d« ⊢ ⬈* L2 →
+ â\88\80L2. Y = L2.â\93\91[I]V â\86\92 â\9d¨G,L1â\9d© ⊢ ⬈* 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
(* Basic_2A1: uses: lsx_flat_lpxs *)
lemma rsx_flat_lpxs (G):
∀I,L1,V. G ⊢ ⬈*𝐒[V] L1 →
- â\88\80L2,T. G â\8a¢ â¬\88*ð\9d\90\92[T] L2 â\86\92 â\9dªG,L1â\9d« ⊢ ⬈* L2 →
+ â\88\80L2,T. G â\8a¢ â¬\88*ð\9d\90\92[T] L2 â\86\92 â\9d¨G,L1â\9d© ⊢ ⬈* 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
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« ⊢ ⬈* L2 →
+ â\88\80L2. Y = L2.â\93§ â\86\92 â\9d¨G,L1â\9d© ⊢ ⬈* 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