(* *)
(**************************************************************************)
-include "basic_2/reduction/lpr_ldrop.ma". (**) (* disambiguation error *)
include "basic_2/grammar/lpx_sn_lpx_sn.ma".
-include "basic_2/substitution/fsupp.ma".
+include "basic_2/substitution/fqup.ma".
+include "basic_2/reduction/lpr_ldrop.ma".
(* SN PARALLEL REDUCTION FOR LOCAL ENVIRONMENTS *****************************)
elim (lpr_ldrop_conf … HLK0 … HL02) -HL02 #X2 #H2 #HLK2
elim (lpr_inv_pair1 … H2) -H2 #K2 #W2 #HK02 #_ #H destruct
lapply (ldrop_fwd_ldrop2 … HLK2) -W2 #HLK2
-lapply (fsupp_lref … G … HLK0) -HLK0 #HLK0
+lapply (fqup_lref … G … HLK0) -HLK0 #HLK0
elim (IH … HLK0 … HV01 … HV02 … HK01 … HK02) -L0 -K0 -V0 #V #HV1 #HV2
elim (lift_total V 0 (i+1)) #T #HVT
lapply (cpr_lift … HV2 … HLK2 … HVT2 … HVT) -K2 -V2 /3 width=6/
elim (lpr_ldrop_conf … HLK0 … HL02) -HL02 #X2 #H2 #HLK2
elim (lpr_inv_pair1 … H2) -H2 #K2 #W2 #HK02 #_ #H destruct
lapply (ldrop_fwd_ldrop2 … HLK2) -W2 #HLK2
-lapply (fsupp_lref … G … HLK0) -HLK0 #HLK0
+lapply (fqup_lref … G … HLK0) -HLK0 #HLK0
elim (IH … HLK0 … HV01 … HV02 … HK01 … HK02) -L0 -K0 -V0 #V #HV1 #HV2
elim (lift_total V 0 (i+1)) #T #HVT
lapply (cpr_lift … HV1 … HLK1 … HVT1 … HVT) -K1 -V1
#T2 #HT02 #X2 #HXT2 #L1 #HL01 #L2 #HL02
elim (IH … HT01 … HT02 (L1.ⓓV0) … (L2.ⓓV0)) -IH -HT01 -HT02 // /2 width=1/ -L0 -T0 #T #HT1 #HT2
elim (cpr_inv_lift1 … HT1 L1 … HXT1) -T1 /2 width=1/ #T1 #HT1 #HXT1
-elim (cpr_inv_lift1 … HT2 L2 … HXT2) -T2 /2 width=1/ #T2 #HT2 #HXT2
+elim (cpr_inv_lift1 … HT2 L2 … HXT2) -T2 /2 width=1/ #T2 #HT2 #HXT2
lapply (lift_inj … HT2 … HT1) -T #H destruct /2 width=3/
qed-.
elim (IH … HT01 … HT02 (L1.ⓓW2) … (L2.ⓓW2)) /2 width=1/ -L0 -V0 -W0 -T0 #T #HT1 #HT2
elim (cpr_inv_lift1 … HT1 L1 … HXT1) -HXT1 /2 width=1/ #Y #HYT #HXY
@(ex2_intro … (ⓐV.Y)) /2 width=1/ /3 width=5/ (**) (* auto /4 width=9/ is too slow *)
-]
+]
qed-.
fact cpr_conf_lpr_beta_beta:
qed-.
theorem cpr_conf_lpr: ∀G. lpx_sn_confluent (cpr G) (cpr G).
-#G #L0 #T0 @(fsupp_wf_ind … G L0 T0) -G -L0 -T0 #G #L #T #IH #G0 #L0 * [|*]
+#G #L0 #T0 @(fqup_wf_ind … G L0 T0) -G -L0 -T0 #G #L #T #IH #G0 #L0 * [|*]
[ #I0 #HG #HL #HT #T1 #H1 #T2 #H2 #L1 #HL01 #L2 #HL02 destruct
elim (cpr_inv_atom1 … H1) -H1
elim (cpr_inv_atom1 … H2) -H2