(* *)
(**************************************************************************)
-include "basic_2/static/aaa_ltps.ma".
+include "basic_2/static/aaa_ltpss_dx.ma".
include "basic_2/static/lsuba_aaa.ma".
include "basic_2/reducibility/ltpr_ldrop.ma".
(* Properties about atomic arity assignment on terms ************************)
-fact aaa_ltpr_tpr_conf_aux: ∀L,T,L1,T1,A. L1 ⊢ T1 ÷ A → L = L1 → T = T1 →
- ∀L2. L1 ➡ L2 → ∀T2. T1 ➡ T2 → L2 ⊢ T2 ÷ A.
-#L #T @(cw_wf_ind … L T) -L -T #L #T #IH
+fact aaa_ltpr_tpr_conf_aux: ∀L,T,L1,T1,A. L1 ⊢ T1 ⁝ A → L = L1 → T = T1 →
+ ∀L2. L1 ➡ L2 → ∀T2. T1 ➡ T2 → L2 ⊢ T2 ⁝ A.
+#L #T @(fw_ind … L T) -L -T #L #T #IH
#L1 #T1 #A * -L1 -T1 -A
[ -IH #L1 #k #H1 #H2 #L2 #_ #T2 #H destruct
>(tpr_inv_atom1 … H) -H //
| #I #L1 #K1 #V1 #B #i #HLK1 #HK1 #H1 #H2 #L2 #HL12 #T2 #H destruct
>(tpr_inv_atom1 … H) -T2
lapply (ldrop_pair2_fwd_fw … HLK1 (#i)) #HKV1
- elim (ltpr_ldrop_conf … HLK1 … HL12) -HLK1 -HL12 #X #HLK2 #H
+ elim (ltpr_ldrop_conf … HLK1 … HL12) -HLK1 -HL12 #X #H #HLK2
elim (ltpr_inv_pair1 … H) -H #K2 #V2 #HK12 #HV12 #H destruct
lapply (IH … HKV1 … HK1 … HK12 … HV12) // -L1 -K1 -V1 /2 width=5/
-| #L1 #V1 #T1 #B #A #HB #HA #H1 #H2 #L2 #HL12 #X #H destruct
+| #a #L1 #V1 #T1 #B #A #HB #HA #H1 #H2 #L2 #HL12 #X #H destruct
elim (tpr_inv_abbr1 … H) -H *
- [ #V2 #T0 #T2 #HV12 #HT10 #HT02 #H destruct
- lapply (tps_lsubs_conf … HT02 (L2.ⓓV2) ?) -HT02 /2 width=1/ #HT02
+ [ #V2 #T #T2 #HV12 #HT1 #HT2 #H destruct
+ lapply (tps_lsubs_trans … HT2 (L2.ⓓV2) ?) -HT2 /2 width=1/ #HT2
lapply (IH … HB … HL12 … HV12) -HB /width=5/ #HB
- lapply (IH … HA … (L2.ⓓV2) … HT10) -IH -HA -HT10 /width=5/ -T1 /2 width=1/ -L1 -V1 /3 width=5/
- | -B #T #HT1 #HTX
- elim (lift_total X 0 1) #X1 #HX1
- lapply (tpr_lift … HTX … HT1 … HX1) -T #HTX1
- lapply (IH … HA … (L2.ⓓV1) … HTX1) /width=5/ -T1 /2 width=1/ -L1 #HA
- @(aaa_inv_lift … HA … HX1) /2 width=1/
+ lapply (IH … HA … (L2.ⓓV2) … HT1) -IH -HA -HT1 /width=5/ -T1 /2 width=1/ -L1 -V1 /3 width=5/
+ | -B #T #HT1 #HXT #H destruct
+ lapply (IH … HA … (L2.ⓓV1) … HT1) /width=5/ -T1 /2 width=1/ -L1 #HA
+ @(aaa_inv_lift … HA … HXT) /2 width=1/
]
-| #L1 #V1 #T1 #B #A #HB #HA #H1 #H2 #L2 #HL12 #X #H destruct
+| #a #L1 #V1 #T1 #B #A #HB #HA #H1 #H2 #L2 #HL12 #X #H destruct
elim (tpr_inv_abst1 … H) -H #V2 #T2 #HV12 #HT12 #H destruct
lapply (IH … HB … HL12 … HV12) -HB /width=5/ #HB
lapply (IH … HA … (L2.ⓛV2) … HT12) -IH -HA -HT12 /width=5/ -T1 /2 width=1/
[ #V2 #T2 #HV12 #HT12 #H destruct
lapply (IH … HV1 … HL12 … HV12) -HV1 -HV12 /width=5/ #HB
lapply (IH … HT1 … HL12 … HT12) -IH -HT1 -HL12 -HT12 /width=5/ /2 width=3/
- | #V2 #W2 #T0 #T2 #HV12 #HT02 #H1 #H2 destruct
+ | #a #V2 #W2 #T0 #T2 #HV12 #HT02 #H1 #H2 destruct
elim (aaa_inv_abst … HT1) -HT1 #B0 #A0 #HB0 #HA0 #H destruct
lapply (IH … HV1 … HL12 … HV12) -HV1 -HV12 /width=5/ #HB
lapply (IH … HB0 … HL12 W2 ?) -HB0 /width=5/ #HB0
lapply (IH … HA0 … (L2.ⓛW2) … HT02) -IH -HA0 -HT02 /width=5/ -T0 /2 width=1/ -L1 -V1 /4 width=7/
- | #V0 #V2 #W0 #W2 #T0 #T2 #HV10 #HW02 #HT02 #HV02 #H1 #H2 destruct
+ | #a #V0 #V2 #W0 #W2 #T0 #T2 #HV10 #HW02 #HT02 #HV02 #H1 #H2 destruct
elim (aaa_inv_abbr … HT1) -HT1 #B0 #HW0 #HT0
lapply (IH … HW0 … HL12 … HW02) -HW0 /width=5/ #HW2
lapply (IH … HV1 … HL12 … HV10) -HV1 -HV10 /width=5/ #HV0
]
qed.
-lemma aaa_ltpr_tpr_conf: ∀L1,T1,A. L1 ⊢ T1 ÷ A → ∀L2. L1 ➡ L2 →
- ∀T2. T1 ➡ T2 → L2 ⊢ T2 ÷ A.
+lemma aaa_ltpr_tpr_conf: ∀L1,T1,A. L1 ⊢ T1 ⁝ A → ∀L2. L1 ➡ L2 →
+ ∀T2. T1 ➡ T2 → L2 ⊢ T2 ⁝ A.
/2 width=9/ qed.
-lemma aaa_ltpr_conf: ∀L1,T,A. L1 ⊢ T ÷ A → ∀L2. L1 ➡ L2 → L2 ⊢ T ÷ A.
+lemma aaa_ltpr_conf: ∀L1,T,A. L1 ⊢ T ⁝ A → ∀L2. L1 ➡ L2 → L2 ⊢ T ⁝ A.
/2 width=5/ qed.
-lemma aaa_tpr_conf: ∀L,T1,A. L ⊢ T1 ÷ A → ∀T2. T1 ➡ T2 → L ⊢ T2 ÷ A.
+lemma aaa_tpr_conf: ∀L,T1,A. L ⊢ T1 ⁝ A → ∀T2. T1 ➡ T2 → L ⊢ T2 ⁝ A.
/2 width=5/ qed.