(* Main properties **********************************************************)
(* Basic_1: was: sc3_arity_csubc *)
-theorem acr_aaa_csubc_lifts: ∀RR,RS,RP.
- gcp RR RS RP → gcr RR RS RP RP →
- ∀G,L1,T,A. ⦃G,L1⦄ ⊢ T ⁝ A → ∀b,f,L0. ⇩*[b,f] L0 ≘ L1 →
- ∀T0. ⇧*[f] T ≘ T0 → ∀L2. G ⊢ L2 ⫃[RP] L0 →
- ⦃G,L2,T0⦄ ϵ[RP] 〚A〛.
+theorem acr_aaa_lsubc_lifts (RR) (RS) (RP):
+ gcp RR RS RP → gcr RR RS RP RP →
+ ∀G,L1,T,A. ❪G,L1❫ ⊢ T ⁝ A → ∀b,f,L0. ⇩*[b,f] L0 ≘ L1 →
+ ∀T0. ⇧*[f] T ≘ T0 → ∀L2. G ⊢ L2 ⫃[RP] L0 →
+ ❪G,L2,T0❫ ϵ ⟦A⟧[RP].
#RR #RS #RP #H1RP #H2RP #G #L1 #T @(fqup_wf_ind_eq (Ⓣ) … G L1 T) -G -L1 -T
#Z #Y #X #IH #G #L1 * [ * | * [ #p ] * ]
[ #s #HG #HL #HT #A #HA #b #f #L0 #HL01 #X0 #H0 #L2 #HL20 destruct -IH
lapply (drops_tls_at … Hf … HY) -Hf -HY #HY
elim (drops_inv_skip2 … HY) -HY #Z #K0 #HK01 #HZ #H destruct
elim (liftsb_inv_pair_sn … HZ) -HZ #V0 #HV10 #H destruct
- elim (lifts_total V0 (ð\9d\90\94â\9d´â\86\91jâ\9dµ)) #V #HV0
+ elim (lifts_total V0 (ð\9d\90\94â\9d¨â\86\91jâ\9d©)) #V #HV0
elim (lsubc_drops_trans_isuni … HL20 … HLK0) -HL20 -HLK0 // #Y #HLK2 #H
elim (lsubc_inv_bind2 … H) -H *
[ #K2 #HK20 #H destruct
lapply (drops_isuni_fwd_drop2 … HLK2) // #HLK2b
lapply (aaa_lifts … HKV1 … HK01 … HV10) -HKV1 -HK01 -HV10 #HKV0A
lapply (aaa_mono … HKV0B … HKV0A) #H destruct -HKV0B -HKV0A
- elim (lifts_total V2 (ð\9d\90\94â\9d´â\86\91jâ\9dµ)) #V3 #HV23
+ elim (lifts_total V2 (ð\9d\90\94â\9d¨â\86\91jâ\9d©)) #V3 #HV23
lapply (s5 … HA … G … (Ⓔ) … (ⓝW2.V2) (ⓝV.V3) ????)
[3: |*: /2 width=9 by drops_inv_gen, lifts_flat/ ] -HLK2
lapply (s7 … HA G L2 (Ⓔ)) -HA /3 width=7 by acr_lifts/
qed.
(* Basic_1: was: sc3_arity *)
-lemma acr_aaa: ∀RR,RS,RP. gcp RR RS RP → gcr RR RS RP RP →
- ∀G,L,T,A. ⦃G,L⦄ ⊢ T ⁝ A → ⦃G,L,T⦄ ϵ[RP] 〚A〛.
-/3 width=9 by drops_refl, lifts_refl, acr_aaa_csubc_lifts/ qed.
+lemma acr_aaa (RR) (RS) (RP):
+ gcp RR RS RP → gcr RR RS RP RP →
+ ∀G,L,T,A. ❪G,L❫ ⊢ T ⁝ A → ❪G,L,T❫ ϵ ⟦A⟧[RP].
+/3 width=9 by drops_refl, lifts_refl, acr_aaa_lsubc_lifts/ qed.
-lemma gcr_aaa: ∀RR,RS,RP. gcp RR RS RP → gcr RR RS RP RP →
- ∀G,L,T,A. ⦃G,L⦄ ⊢ T ⁝ A → RP G L T.
+lemma gcr_aaa (RR) (RS) (RP):
+ gcp RR RS RP → gcr RR RS RP RP →
+ ∀G,L,T,A. ❪G,L❫ ⊢ T ⁝ A → RP G L T.
#RR #RS #RP #H1RP #H2RP #G #L #T #A #HT
lapply (acr_gcr … H1RP H2RP A) #HA
@(s1 … HA) /2 width=4 by acr_aaa/