(* Properties on degree assignment for terms ********************************)
fact da_cpr_lpr_aux: ∀h,g,G0,L0,T0.
- (∀G1,L1,T1. ⦃G0, L0, T0⦄ >[h, g] ⦃G1, L1, T1⦄ → IH_snv_lsstas h g G1 L1 T1) →
- (∀G1,L1,T1. ⦃G0, L0, T0⦄ >[h, g] ⦃G1, L1, T1⦄ → IH_snv_cpr_lpr h g G1 L1 T1) →
- (∀G1,L1,T1. ⦃G0, L0, T0⦄ >[h, g] ⦃G1, L1, T1⦄ → IH_da_cpr_lpr h g G1 L1 T1) →
+ (∀G1,L1,T1. ⦃G0, L0, T0⦄ ⊃≥[h, g] ⦃G1, L1, T1⦄ → IH_snv_lsstas h g G1 L1 T1) →
+ (∀G1,L1,T1. ⦃G0, L0, T0⦄ ⊃≥[h, g] ⦃G1, L1, T1⦄ → IH_snv_cpr_lpr h g G1 L1 T1) →
+ (∀G1,L1,T1. ⦃G0, L0, T0⦄ ⊃≥[h, g] ⦃G1, L1, T1⦄ → IH_da_cpr_lpr h g G1 L1 T1) →
∀G1,L1,T1. G0 = G1 → L0 = L1 → T0 = T1 → IH_da_cpr_lpr h g G1 L1 T1.
#h #g #G0 #L0 #T0 #IH3 #IH2 #IH1 #G1 #L1 * * [|||| * ]
[ #k #_ #_ #_ #_ #l #H2 #X3 #H3 #L2 #_ -IH3 -IH2 -IH1
lapply (ldrop_mono … H … HLK1) -H #H destruct
elim (cpr_inv_lref1 … H3) -H3
[1,3: #H destruct
- lapply (fsupp_lref … G1 … HLK1)
+ lapply (fqup_lref … G1 … HLK1)
elim (lpr_ldrop_conf … HLK1 … HL12) -HLK1 -HL12 #X #H #HLK2
elim (lpr_inv_pair1 … H) -H #K2 #V2 #HK12 #HV12 #H destruct
- /4 width=10 by da_ldef, da_ldec, fsupp_ygt/
+ /4 width=10 by da_ldef, da_ldec, fqup_fpbr/
|2,4: * #K0 #V0 #W0 #H #HVW0 #HW0
lapply (ldrop_mono … H … HLK1) -H #H destruct
- lapply (fsupp_lref … G1 … HLK1)
+ lapply (fqup_lref … G1 … HLK1)
elim (lpr_ldrop_conf … HLK1 … HL12) -HLK1 -HL12 #X #H #HLK2
elim (lpr_inv_pair1 … H) -H #K2 #V2 #HK12 #_ #H destruct
lapply (ldrop_fwd_ldrop2 … HLK2) -V2
- /4 width=7 by da_lift, fsupp_ygt/
+ /4 width=7 by da_lift, fqup_fpbr/
]
| #p #_ #_ #HT0 #H1 destruct -IH3 -IH2 -IH1
elim (snv_inv_gref … H1)
lapply (da_inv_bind … H2) -H2
elim (cpr_inv_bind1 … H3) -H3 *
[ #V2 #T2 #HV12 #HT12 #H destruct
- /4 width=9 by da_bind, fsupp_ygt, lpr_pair/
+ /4 width=9 by da_bind, fqup_fpbr, lpr_pair/
| #T2 #HT12 #HT2 #H1 #H2 destruct
- /4 width=11 by da_inv_lift, fsupp_ygt, lpr_pair, ldrop_ldrop/
+ /4 width=11 by da_inv_lift, fqup_fpbr, lpr_pair, ldrop_ldrop/
]
| #V1 #T1 #HG0 #HL0 #HT0 #H1 #l #H2 #X3 #H3 #L2 #HL12 destruct
elim (snv_inv_appl … H1) -H1 #b0 #W1 #W0 #T0 #l0 #HV1 #HT1 #Hl0 #HVW1 #HW10 #HT10
lapply (da_inv_flat … H2) -H2 #Hl
elim (cpr_inv_appl1 … H3) -H3 *
- [ #V2 #T2 #HV12 #HT12 #H destruct -IH3 -IH2 /4 width=7 by da_flat, fsupp_ygt/
+ [ #V2 #T2 #HV12 #HT12 #H destruct -IH3 -IH2 /4 width=7 by da_flat, fqup_fpbr/
| #b #V2 #W #W2 #U1 #U2 #HV12 #HW2 #HU12 #H1 #H2 destruct
elim (snv_inv_bind … HT1) -HT1 #HW #HU1
lapply (da_inv_bind … Hl) -Hl #Hl
lapply (cprs_div … HW3 … HW10) -W3 #HWW1
lapply (ssta_da_conf … HVW1 … Hl0) <minus_plus_m_m #H
elim (snv_fwd_da … HW) #l1 #Hl1
- lapply (IH3 … HV1 … 1 … Hl0 W1 ?) /2 width=2 by fsupp_ygt, ssta_lsstas/ #HW1
+ lapply (IH3 … HV1 … 1 … Hl0 W1 ?) /2 width=2 by fqup_fpbr, ssta_lsstas/ #HW1
lapply (da_cpcs_aux … IH2 IH1 … Hl1 … H … HWW1) -H
- /3 width=5 by ygt_yprs_trans, fsupp_ygt, ssta_yprs/ #H destruct
- lapply (IH1 … HV1 … Hl0 … HV12 … HL12) -HV1 -Hl0 -HV12 [ /2 by fsupp_ygt/ ] #Hl0
- lapply (IH1 … Hl1 … HW2 … HL12) -Hl1 // /2 width=1 by fsupp_ygt/ -HW
- lapply (IH1 … HU1 … Hl … HU12 (L2.ⓛW2) ?) -IH1 -HU1 -Hl -HU12 [1,2: /2 by fsupp_ygt, lpr_pair/ ] -HL12 -HW2
+ /3 width=5 by fpbr_fpbs_trans, fqup_fpbr, ssta_fpbs/ #H destruct
+ lapply (IH1 … HV1 … Hl0 … HV12 … HL12) -HV1 -Hl0 -HV12 [ /2 by fqup_fpbr/ ] #Hl0
+ lapply (IH1 … Hl1 … HW2 … HL12) -Hl1 // /2 width=1 by fqup_fpbr/ -HW
+ lapply (IH1 … HU1 … Hl … HU12 (L2.ⓛW2) ?) -IH1 -HU1 -Hl -HU12 [1,2: /2 by fqup_fpbr, lpr_pair/ ] -HL12 -HW2
/4 width=6 by da_bind, lsubd_da_trans, lsubd_abbr/
| #b #V #V2 #W #W2 #U1 #U2 #HV1 #HV2 #HW2 #HU12 #H1 #H2 destruct -IH3 -IH2 -V -W0 -T0 -l0 -HV1 -HVW1
elim (snv_inv_bind … HT1) -HT1 #_
lapply (da_inv_bind … Hl) -Hl
- /5 width=9 by da_bind, da_flat, fsupp_ygt, lpr_pair/
+ /5 width=9 by da_bind, da_flat, fqup_fpbr, lpr_pair/
]
| #W1 #T1 #HG0 #HL0 #HT0 #H1 #l #H2 #X3 #H3 #L2 #HL12 destruct -IH3 -IH2
elim (snv_inv_cast … H1) -H1 #U1 #l0 #HW1 #HT1 #Hl0 #HTU1 #HUW1
lapply (da_inv_flat … H2) -H2 #Hl
elim (cpr_inv_cast1 … H3) -H3
- [ * #W2 #T2 #HW12 #HT12 #H destruct /4 width=7 by da_flat, fsupp_ygt/
- | /3 width=7 by fsupp_ygt/
+ [ * #W2 #T2 #HW12 #HT12 #H destruct /4 width=7 by da_flat, fqup_fpbr/
+ | /3 width=7 by fqup_fpbr/
]
]
qed-.