(* Properties with generic slicing for local environments *******************)
-lemma cpms_lifts_sn: ∀n,h,G. d_liftable2_sn … lifts (λL. cpms h G L n).
+lemma cpms_lifts_sn: ∀h,n,G. d_liftable2_sn … lifts (λL. cpms h G L n).
/3 width=6 by d2_liftable_sn_ltc, cpm_lifts_sn/ qed-.
(* Basic_2A1: uses: scpds_lift *)
(* Basic_2A1: includes: cprs_lift *)
(* Basic_1: includes: pr3_lift *)
-lemma cpms_lifts_bi: ∀n,h,G. d_liftable2_bi … lifts (λL. cpms h G L n).
-#n #h #G @d_liftable2_sn_bi
+lemma cpms_lifts_bi: ∀h,n,G. d_liftable2_bi … lifts (λL. cpms h G L n).
+#h #n #G @d_liftable2_sn_bi
/2 width=6 by cpms_lifts_sn, lifts_mono/
qed-.
(* Basic_2A1: uses: scpds_inv_lift1 *)
(* Basic_2A1: includes: cprs_inv_lift1 *)
(* Basic_1: includes: pr3_gen_lift *)
-lemma cpms_inv_lifts_sn: ∀n,h,G. d_deliftable2_sn … lifts (λL. cpms h G L n).
+lemma cpms_inv_lifts_sn: ∀h,n,G. d_deliftable2_sn … lifts (λL. cpms h G L n).
/3 width=6 by d2_deliftable_sn_ltc, cpm_inv_lifts_sn/ qed-.
-lemma cpms_inv_lifts_bi: ∀n,h,G. d_deliftable2_bi … lifts (λL. cpms h G L n).
-#n #h #G @d_deliftable2_sn_bi
+lemma cpms_inv_lifts_bi: ∀h,n,G. d_deliftable2_bi … lifts (λL. cpms h G L n).
+#h #n #G @d_deliftable2_sn_bi
/2 width=6 by cpms_inv_lifts_sn, lifts_inj/
qed-.
(* Advanced properties ******************************************************)
-lemma cpms_delta (n) (h) (G): ∀K,V1,V2. ❪G,K❫ ⊢ V1 ➡*[n,h] V2 →
- ∀W2. ⇧[1] V2 ≘ W2 → ❪G,K.ⓓV1❫ ⊢ #0 ➡*[n,h] W2.
-#n #h #G #K #V1 #V2 #H @(cpms_ind_dx … H) -V2
+lemma cpms_delta (h) (n) (G): ∀K,V1,V2. ❪G,K❫ ⊢ V1 ➡*[h,n] V2 →
+ ∀W2. ⇧[1] V2 ≘ W2 → ❪G,K.ⓓV1❫ ⊢ #0 ➡*[h,n] W2.
+#h #n #G #K #V1 #V2 #H @(cpms_ind_dx … H) -V2
[ /3 width=3 by cpm_cpms, cpm_delta/
| #n1 #n2 #V #V2 #_ #IH #HV2 #W2 #HVW2
elim (lifts_total V (𝐔❨1❩)) #W #HVW
]
qed.
-lemma cpms_ell (n) (h) (G): ∀K,V1,V2. ❪G,K❫ ⊢ V1 ➡*[n,h] V2 →
- ∀W2. ⇧[1] V2 ≘ W2 → ❪G,K.ⓛV1❫ ⊢ #0 ➡*[↑n,h] W2.
-#n #h #G #K #V1 #V2 #H @(cpms_ind_dx … H) -V2
+lemma cpms_ell (h) (n) (G): ∀K,V1,V2. ❪G,K❫ ⊢ V1 ➡*[h,n] V2 →
+ ∀W2. ⇧[1] V2 ≘ W2 → ❪G,K.ⓛV1❫ ⊢ #0 ➡*[h,↑n] W2.
+#h #n #G #K #V1 #V2 #H @(cpms_ind_dx … H) -V2
[ /3 width=3 by cpm_cpms, cpm_ell/
| #n1 #n2 #V #V2 #_ #IH #HV2 #W2 #HVW2
elim (lifts_total V (𝐔❨1❩)) #W #HVW >plus_S1
]
qed.
-lemma cpms_lref (n) (h) (I) (G): ∀K,T,i. ❪G,K❫ ⊢ #i ➡*[n,h] T →
- ∀U. ⇧[1] T ≘ U → ❪G,K.ⓘ[I]❫ ⊢ #↑i ➡*[n,h] U.
-#n #h #I #G #K #T #i #H @(cpms_ind_dx … H) -T
+lemma cpms_lref (h) (n) (I) (G): ∀K,T,i. ❪G,K❫ ⊢ #i ➡*[h,n] T →
+ ∀U. ⇧[1] T ≘ U → ❪G,K.ⓘ[I]❫ ⊢ #↑i ➡*[h,n] U.
+#h #n #I #G #K #T #i #H @(cpms_ind_dx … H) -T
[ /3 width=3 by cpm_cpms, cpm_lref/
| #n1 #n2 #T #T2 #_ #IH #HT2 #U2 #HTU2
elim (lifts_total T (𝐔❨1❩)) #U #TU
]
qed.
-lemma cpms_cast_sn (n) (h) (G) (L):
- ∀U1,U2. ❪G,L❫ ⊢ U1 ➡*[n,h] U2 →
- ∀T1,T2. ❪G,L❫ ⊢ T1 ➡[n,h] T2 →
- ❪G,L❫ ⊢ ⓝU1.T1 ➡*[n,h] ⓝU2.T2.
-#n #h #G #L #U1 #U2 #H @(cpms_ind_sn … H) -U1 -n
+lemma cpms_cast_sn (h) (n) (G) (L):
+ ∀U1,U2. ❪G,L❫ ⊢ U1 ➡*[h,n] U2 →
+ ∀T1,T2. ❪G,L❫ ⊢ T1 ➡[h,n] T2 →
+ ❪G,L❫ ⊢ ⓝU1.T1 ➡*[h,n] ⓝU2.T2.
+#h #n #G #L #U1 #U2 #H @(cpms_ind_sn … H) -U1 -n
[ /3 width=3 by cpm_cpms, cpm_cast/
| #n1 #n2 #U1 #U #HU1 #_ #IH #T1 #T2 #H
elim (cpm_fwd_plus … H) -H #T #HT1 #HT2
(* Note: apparently this was missing in basic_1 *)
(* Basic_2A1: uses: cprs_delta *)
-lemma cpms_delta_drops (n) (h) (G):
+lemma cpms_delta_drops (h) (n) (G):
∀L,K,V,i. ⇩[i] L ≘ K.ⓓV →
- ∀V2. ❪G,K❫ ⊢ V ➡*[n,h] V2 →
- ∀W2. ⇧[↑i] V2 ≘ W2 → ❪G,L❫ ⊢ #i ➡*[n,h] W2.
-#n #h #G #L #K #V #i #HLK #V2 #H @(cpms_ind_dx … H) -V2
+ ∀V2. ❪G,K❫ ⊢ V ➡*[h,n] V2 →
+ ∀W2. ⇧[↑i] V2 ≘ W2 → ❪G,L❫ ⊢ #i ➡*[h,n] W2.
+#h #n #G #L #K #V #i #HLK #V2 #H @(cpms_ind_dx … H) -V2
[ /3 width=6 by cpm_cpms, cpm_delta_drops/
| #n1 #n2 #V1 #V2 #_ #IH #HV12 #W2 #HVW2
lapply (drops_isuni_fwd_drop2 … HLK) -HLK // #HLK
]
qed.
-lemma cpms_ell_drops (n) (h) (G):
+lemma cpms_ell_drops (h) (n) (G):
∀L,K,W,i. ⇩[i] L ≘ K.ⓛW →
- ∀W2. ❪G,K❫ ⊢ W ➡*[n,h] W2 →
- ∀V2. ⇧[↑i] W2 ≘ V2 → ❪G,L❫ ⊢ #i ➡*[↑n,h] V2.
-#n #h #G #L #K #W #i #HLK #W2 #H @(cpms_ind_dx … H) -W2
+ ∀W2. ❪G,K❫ ⊢ W ➡*[h,n] W2 →
+ ∀V2. ⇧[↑i] W2 ≘ V2 → ❪G,L❫ ⊢ #i ➡*[h,↑n] V2.
+#h #n #G #L #K #W #i #HLK #W2 #H @(cpms_ind_dx … H) -W2
[ /3 width=6 by cpm_cpms, cpm_ell_drops/
| #n1 #n2 #W1 #W2 #_ #IH #HW12 #V2 #HWV2
lapply (drops_isuni_fwd_drop2 … HLK) -HLK // #HLK
(* Advanced inversion lemmas ************************************************)
-lemma cpms_inv_lref1_drops (n) (h) (G):
- ∀L,T2,i. ❪G,L❫ ⊢ #i ➡*[n,h] T2 →
+lemma cpms_inv_lref1_drops (h) (n) (G):
+ ∀L,T2,i. ❪G,L❫ ⊢ #i ➡*[h,n] T2 →
∨∨ ∧∧ T2 = #i & n = 0
- | ∃∃K,V,V2. ⇩[i] L ≘ K.ⓓV & ❪G,K❫ ⊢ V ➡*[n,h] V2 &
+ | ∃∃K,V,V2. ⇩[i] L ≘ K.ⓓV & ❪G,K❫ ⊢ V ➡*[h,n] V2 &
⇧[↑i] V2 ≘ T2
- | ∃∃m,K,V,V2. ⇩[i] L ≘ K.ⓛV & ❪G,K❫ ⊢ V ➡*[m,h] V2 &
+ | ∃∃m,K,V,V2. ⇩[i] L ≘ K.ⓛV & ❪G,K❫ ⊢ V ➡*[h,m] V2 &
⇧[↑i] V2 ≘ T2 & n = ↑m.
-#n #h #G #L #T2 #i #H @(cpms_ind_dx … H) -T2
+#h #n #G #L #T2 #i #H @(cpms_ind_dx … H) -T2
[ /3 width=1 by or3_intro0, conj/
| #n1 #n2 #T #T2 #_ #IH #HT2 cases IH -IH *
[ #H1 #H2 destruct
]
qed-.
-lemma cpms_inv_delta_sn (n) (h) (G) (K) (V):
- ∀T2. ❪G,K.ⓓV❫ ⊢ #0 ➡*[n,h] T2 →
+lemma cpms_inv_delta_sn (h) (n) (G) (K) (V):
+ ∀T2. ❪G,K.ⓓV❫ ⊢ #0 ➡*[h,n] T2 →
∨∨ ∧∧ T2 = #0 & n = 0
- | ∃∃V2. ❪G,K❫ ⊢ V ➡*[n,h] V2 & ⇧[1] V2 ≘ T2.
-#n #h #G #K #V #T2 #H
+ | ∃∃V2. ❪G,K❫ ⊢ V ➡*[h,n] V2 & ⇧[1] V2 ≘ T2.
+#h #n #G #K #V #T2 #H
elim (cpms_inv_lref1_drops … H) -H *
[ /3 width=1 by or_introl, conj/
| #Y #X #V2 #H #HV2 #HVT2
]
qed-.
-lemma cpms_inv_ell_sn (n) (h) (G) (K) (V):
- ∀T2. ❪G,K.ⓛV❫ ⊢ #0 ➡*[n,h] T2 →
+lemma cpms_inv_ell_sn (h) (n) (G) (K) (V):
+ ∀T2. ❪G,K.ⓛV❫ ⊢ #0 ➡*[h,n] T2 →
∨∨ ∧∧ T2 = #0 & n = 0
- | ∃∃m,V2. ❪G,K❫ ⊢ V ➡*[m,h] V2 & ⇧[1] V2 ≘ T2 & n = ↑m.
-#n #h #G #K #V #T2 #H
+ | ∃∃m,V2. ❪G,K❫ ⊢ V ➡*[h,m] V2 & ⇧[1] V2 ≘ T2 & n = ↑m.
+#h #n #G #K #V #T2 #H
elim (cpms_inv_lref1_drops … H) -H *
[ /3 width=1 by or_introl, conj/
| #Y #X #V2 #H #HV2 #HVT2
]
qed-.
-lemma cpms_inv_lref_sn (n) (h) (G) (I) (K):
- ∀U2,i. ❪G,K.ⓘ[I]❫ ⊢ #↑i ➡*[n,h] U2 →
+lemma cpms_inv_lref_sn (h) (n) (G) (I) (K):
+ ∀U2,i. ❪G,K.ⓘ[I]❫ ⊢ #↑i ➡*[h,n] U2 →
∨∨ ∧∧ U2 = #↑i & n = 0
- | ∃∃T2. ❪G,K❫ ⊢ #i ➡*[n,h] T2 & ⇧[1] T2 ≘ U2.
-#n #h #G #I #K #U2 #i #H
+ | ∃∃T2. ❪G,K❫ ⊢ #i ➡*[h,n] T2 & ⇧[1] T2 ≘ U2.
+#h #n #G #I #K #U2 #i #H
elim (cpms_inv_lref1_drops … H) -H *
[ /3 width=1 by or_introl, conj/
| #L #V #V2 #H #HV2 #HVU2
]
qed-.
-fact cpms_inv_succ_sn (n) (h) (G) (L):
- ∀T1,T2. ❪G,L❫ ⊢ T1 ➡*[↑n,h] T2 →
- ∃∃T. ❪G,L❫ ⊢ T1 ➡*[1,h] T & ❪G,L❫ ⊢ T ➡*[n,h] T2.
-#n #h #G #L #T1 #T2
+fact cpms_inv_succ_sn (h) (n) (G) (L):
+ ∀T1,T2. ❪G,L❫ ⊢ T1 ➡*[h,↑n] T2 →
+ ∃∃T. ❪G,L❫ ⊢ T1 ➡*[h,1] T & ❪G,L❫ ⊢ T ➡*[h,n] T2.
+#h #n #G #L #T1 #T2
@(insert_eq_0 … (↑n)) #m #H
@(cpms_ind_sn … H) -T1 -m
[ #H destruct