| lsubsv_atom: lsubsv h g (⋆) (⋆)
| lsubsv_pair: ∀I,L1,L2,V. lsubsv h g L1 L2 →
lsubsv h g (L1. ⓑ{I} V) (L2. ⓑ{I} V)
-| lsubsv_abbr: â\88\80L1,L2,V1,V2,W1,W2,l. â¦\83h, L1â¦\84 â\8a© V1 :[g] → ⦃h, L1⦄ ⊢ V1 •[g] ⦃l+1, W1⦄ →
- L1 â\8a¢ W1 â¬\8c* W2 â\86\92 â¦\83h, L2â¦\84 â\8a© W2 :[g] → ⦃h, L2⦄ ⊢ W2 •[g] ⦃l, V2⦄ →
+| lsubsv_abbr: â\88\80L1,L2,V1,V2,W1,W2,l. â¦\83h, L1â¦\84 â\8a¢ V1 ¡[g] → ⦃h, L1⦄ ⊢ V1 •[g] ⦃l+1, W1⦄ →
+ L1 â\8a¢ W1 â¬\8c* W2 â\86\92 â¦\83h, L2â¦\84 â\8a¢ W2 ¡[g] → ⦃h, L2⦄ ⊢ W2 •[g] ⦃l, V2⦄ →
lsubsv h g L1 L2 → lsubsv h g (L1. ⓓV1) (L2. ⓛW2)
.
(* Basic inversion lemmas ***************************************************)
-fact lsubsv_inv_atom1_aux: ∀h,g,L1,L2. h ⊢ L1 ⊩:⊑[g] L2 → L1 = ⋆ → L2 = ⋆.
+fact lsubsv_inv_atom1_aux: ∀h,g,L1,L2. h ⊢ L1 ¡⊑[g] L2 → L1 = ⋆ → L2 = ⋆.
#h #g #L1 #L2 * -L1 -L2
[ //
| #I #L1 #L2 #V #_ #H destruct
]
qed-.
-lemma lsubsv_inv_atom1: ∀h,g,L2. h ⊢ ⋆ ⊩:⊑[g] L2 → L2 = ⋆.
+lemma lsubsv_inv_atom1: ∀h,g,L2. h ⊢ ⋆ ¡⊑[g] L2 → L2 = ⋆.
/2 width=5 by lsubsv_inv_atom1_aux/ qed-.
-fact lsubsv_inv_pair1_aux: ∀h,g,L1,L2. h ⊢ L1 ⊩:⊑[g] L2 →
+fact lsubsv_inv_pair1_aux: ∀h,g,L1,L2. h ⊢ L1 ¡⊑[g] L2 →
∀I,K1,V1. L1 = K1. ⓑ{I} V1 →
- (∃∃K2. h ⊢ K1 ⊩:⊑[g] K2 & L2 = K2. ⓑ{I} V1) ∨
- â\88\83â\88\83K2,V2,W1,W2,l. â¦\83h, K1â¦\84 â\8a© V1 :[g] & ⦃h, K1⦄ ⊢ V1 •[g] ⦃l+1, W1⦄ &
- K1 â\8a¢ W1 â¬\8c* W2 & â¦\83h, K2â¦\84 â\8a© W2 :[g] & ⦃h, K2⦄ ⊢ W2 •[g] ⦃l, V2⦄ &
- h ⊢ K1 ⊩:⊑[g] K2 & L2 = K2. ⓛW2 & I = Abbr.
+ (∃∃K2. h ⊢ K1 ¡⊑[g] K2 & L2 = K2. ⓑ{I} V1) ∨
+ â\88\83â\88\83K2,V2,W1,W2,l. â¦\83h, K1â¦\84 â\8a¢ V1 ¡[g] & ⦃h, K1⦄ ⊢ V1 •[g] ⦃l+1, W1⦄ &
+ K1 â\8a¢ W1 â¬\8c* W2 & â¦\83h, K2â¦\84 â\8a¢ W2 ¡[g] & ⦃h, K2⦄ ⊢ W2 •[g] ⦃l, V2⦄ &
+ h ⊢ K1 ¡⊑[g] K2 & L2 = K2. ⓛW2 & I = Abbr.
#h #g #L1 #L2 * -L1 -L2
[ #J #K1 #U1 #H destruct
| #I #L1 #L2 #V #HL12 #J #K1 #U1 #H destruct /3 width=3/
]
qed-.
-lemma lsubsv_inv_pair1: ∀h,g,I,K1,L2,V1. h ⊢ K1. ⓑ{I} V1 ⊩:⊑[g] L2 →
- (∃∃K2. h ⊢ K1 ⊩:⊑[g] K2 & L2 = K2. ⓑ{I} V1) ∨
- â\88\83â\88\83K2,V2,W1,W2,l. â¦\83h, K1â¦\84 â\8a© V1 :[g] & ⦃h, K1⦄ ⊢ V1 •[g] ⦃l+1, W1⦄ &
- K1 â\8a¢ W1 â¬\8c* W2 & â¦\83h, K2â¦\84 â\8a© W2 :[g] & ⦃h, K2⦄ ⊢ W2 •[g] ⦃l, V2⦄ &
- h ⊢ K1 ⊩:⊑[g] K2 & L2 = K2. ⓛW2 & I = Abbr.
+lemma lsubsv_inv_pair1: ∀h,g,I,K1,L2,V1. h ⊢ K1. ⓑ{I} V1 ¡⊑[g] L2 →
+ (∃∃K2. h ⊢ K1 ¡⊑[g] K2 & L2 = K2. ⓑ{I} V1) ∨
+ â\88\83â\88\83K2,V2,W1,W2,l. â¦\83h, K1â¦\84 â\8a¢ V1 ¡[g] & ⦃h, K1⦄ ⊢ V1 •[g] ⦃l+1, W1⦄ &
+ K1 â\8a¢ W1 â¬\8c* W2 & â¦\83h, K2â¦\84 â\8a¢ W2 ¡[g] & ⦃h, K2⦄ ⊢ W2 •[g] ⦃l, V2⦄ &
+ h ⊢ K1 ¡⊑[g] K2 & L2 = K2. ⓛW2 & I = Abbr.
/2 width=3 by lsubsv_inv_pair1_aux/ qed-.
-fact lsubsv_inv_atom2_aux: ∀h,g,L1,L2. h ⊢ L1 ⊩:⊑[g] L2 → L2 = ⋆ → L1 = ⋆.
+fact lsubsv_inv_atom2_aux: ∀h,g,L1,L2. h ⊢ L1 ¡⊑[g] L2 → L2 = ⋆ → L1 = ⋆.
#h #g #L1 #L2 * -L1 -L2
[ //
| #I #L1 #L2 #V #_ #H destruct
]
qed-.
-lemma lsubsv_inv_atom2: ∀h,g,L1. h ⊢ L1 ⊩:⊑[g] ⋆ → L1 = ⋆.
+lemma lsubsv_inv_atom2: ∀h,g,L1. h ⊢ L1 ¡⊑[g] ⋆ → L1 = ⋆.
/2 width=5 by lsubsv_inv_atom2_aux/ qed-.
-fact lsubsv_inv_pair2_aux: ∀h,g,L1,L2. h ⊢ L1 ⊩:⊑[g] L2 →
+fact lsubsv_inv_pair2_aux: ∀h,g,L1,L2. h ⊢ L1 ¡⊑[g] L2 →
∀I,K2,W2. L2 = K2. ⓑ{I} W2 →
- (∃∃K1. h ⊢ K1 ⊩:⊑[g] K2 & L1 = K1. ⓑ{I} W2) ∨
- â\88\83â\88\83K1,W1,V1,V2,l. â¦\83h, K1â¦\84 â\8a© V1 :[g] & ⦃h, K1⦄ ⊢ V1 •[g] ⦃l+1, W1⦄ &
- K1 â\8a¢ W1 â¬\8c* W2 & â¦\83h, K2â¦\84 â\8a© W2 :[g] & ⦃h, K2⦄ ⊢ W2 •[g] ⦃l, V2⦄ &
- h ⊢ K1 ⊩:⊑[g] K2 & L1 = K1. ⓓV1 & I = Abst.
+ (∃∃K1. h ⊢ K1 ¡⊑[g] K2 & L1 = K1. ⓑ{I} W2) ∨
+ â\88\83â\88\83K1,W1,V1,V2,l. â¦\83h, K1â¦\84 â\8a¢ V1 ¡[g] & ⦃h, K1⦄ ⊢ V1 •[g] ⦃l+1, W1⦄ &
+ K1 â\8a¢ W1 â¬\8c* W2 & â¦\83h, K2â¦\84 â\8a¢ W2 ¡[g] & ⦃h, K2⦄ ⊢ W2 •[g] ⦃l, V2⦄ &
+ h ⊢ K1 ¡⊑[g] K2 & L1 = K1. ⓓV1 & I = Abst.
#h #g #L1 #L2 * -L1 -L2
[ #J #K2 #U2 #H destruct
| #I #L1 #L2 #V #HL12 #J #K2 #U2 #H destruct /3 width=3/
]
qed-.
-lemma lsubsv_inv_pair2: ∀h,g,I,L1,K2,W2. h ⊢ L1 ⊩:⊑[g] K2. ⓑ{I} W2 →
- (∃∃K1. h ⊢ K1 ⊩:⊑[g] K2 & L1 = K1. ⓑ{I} W2) ∨
- â\88\83â\88\83K1,W1,V1,V2,l. â¦\83h, K1â¦\84 â\8a© V1 :[g] & ⦃h, K1⦄ ⊢ V1 •[g] ⦃l+1, W1⦄ &
- K1 â\8a¢ W1 â¬\8c* W2 & â¦\83h, K2â¦\84 â\8a© W2 :[g] & ⦃h, K2⦄ ⊢ W2 •[g] ⦃l, V2⦄ &
- h ⊢ K1 ⊩:⊑[g] K2 & L1 = K1. ⓓV1 & I = Abst.
+lemma lsubsv_inv_pair2: ∀h,g,I,L1,K2,W2. h ⊢ L1 ¡⊑[g] K2. ⓑ{I} W2 →
+ (∃∃K1. h ⊢ K1 ¡⊑[g] K2 & L1 = K1. ⓑ{I} W2) ∨
+ â\88\83â\88\83K1,W1,V1,V2,l. â¦\83h, K1â¦\84 â\8a¢ V1 ¡[g] & ⦃h, K1⦄ ⊢ V1 •[g] ⦃l+1, W1⦄ &
+ K1 â\8a¢ W1 â¬\8c* W2 & â¦\83h, K2â¦\84 â\8a¢ W2 ¡[g] & ⦃h, K2⦄ ⊢ W2 •[g] ⦃l, V2⦄ &
+ h ⊢ K1 ¡⊑[g] K2 & L1 = K1. ⓓV1 & I = Abst.
/2 width=3 by lsubsv_inv_pair2_aux/ qed-.
(* Basic_forward lemmas *****************************************************)
-lemma lsubsv_fwd_lsubss: ∀h,g,L1,L2. h ⊢ L1 ⊩:⊑[g] L2 → h ⊢ L1 •⊑[g] L2.
+lemma lsubsv_fwd_lsubss: ∀h,g,L1,L2. h ⊢ L1 ¡⊑[g] L2 → h ⊢ L1 •⊑[g] L2.
#h #g #L1 #L2 #H elim H -L1 -L2 // /2 width=1/ /2 width=6/
qed-.
-lemma lsubsv_fwd_lsubs1: ∀h,g,L1,L2. h ⊢ L1 ⊩:⊑[g] L2 → L1 ≼[0, |L1|] L2.
+lemma lsubsv_fwd_lsubs1: ∀h,g,L1,L2. h ⊢ L1 ¡⊑[g] L2 → L1 ≼[0, |L1|] L2.
/3 width=3 by lsubsv_fwd_lsubss, lsubss_fwd_lsubs1/
qed-.
-lemma lsubsv_fwd_lsubs2: ∀h,g,L1,L2. h ⊢ L1 ⊩:⊑[g] L2 → L1 ≼[0, |L2|] L2.
+lemma lsubsv_fwd_lsubs2: ∀h,g,L1,L2. h ⊢ L1 ¡⊑[g] L2 → L1 ≼[0, |L2|] L2.
/3 width=3 by lsubsv_fwd_lsubss, lsubss_fwd_lsubs2/
qed-.
(* Basic properties *********************************************************)
-lemma lsubsv_refl: ∀h,g,L. h ⊢ L ⊩:⊑[g] L.
+lemma lsubsv_refl: ∀h,g,L. h ⊢ L ¡⊑[g] L.
#h #g #L elim L -L // /2 width=1/
qed.
-lemma lsubsv_cprs_trans: ∀h,g,L1,L2. h ⊢ L1 ⊩:⊑[g] L2 →
+lemma lsubsv_cprs_trans: ∀h,g,L1,L2. h ⊢ L1 ¡⊑[g] L2 →
∀T1,T2. L2 ⊢ T1 ➡* T2 → L1 ⊢ T1 ➡* T2.
/3 width=5 by lsubsv_fwd_lsubss, lsubss_cprs_trans/
qed-.