-lemma snv_lift: ∀h,g,G,K,T. ⦃G, K⦄ ⊢ T ¡[h, g] → ∀L,s,l,m. ⬇[s, l, m] L ≡ K →
- ∀U. ⬆[l, m] T ≡ U → ⦃G, L⦄ ⊢ U ¡[h, g].
-#h #g #G #K #T #H elim H -G -K -T
-[ #G #K #k #L #s #l #m #_ #X #H
- >(lift_inv_sort1 … H) -X -K -l -m //
-| #I #G #K #K0 #V #i #HK0 #_ #IHV #L #s #l #m #HLK #X #H
+lemma snv_lift: ∀h,o,G,K,T. ⦃G, K⦄ ⊢ T ¡[h, o] → ∀L,c,l,k. ⬇[c, l, k] L ≡ K →
+ ∀U. ⬆[l, k] T ≡ U → ⦃G, L⦄ ⊢ U ¡[h, o].
+#h #o #G #K #T #H elim H -G -K -T
+[ #G #K #s #L #c #l #k #_ #X #H
+ >(lift_inv_sort1 … H) -X -K -l -k //
+| #I #G #K #K0 #V #i #HK0 #_ #IHV #L #c #l #k #HLK #X #H
elim (lift_inv_lref1 … H) * #Hil #H destruct
[ elim (drop_trans_le … HLK … HK0) -K /2 width=2 by ylt_fwd_le/ #X #HL0 #H
elim (drop_inv_skip2 … H) -H /2 width=1 by ylt_to_minus/ -Hil #L0 #W #HLK0 #HVW #H destruct
elim (lift_inv_lref1 … H) * #Hil #H destruct
[ elim (drop_trans_le … HLK … HK0) -K /2 width=2 by ylt_fwd_le/ #X #HL0 #H
elim (drop_inv_skip2 … H) -H /2 width=1 by ylt_to_minus/ -Hil #L0 #W #HLK0 #HVW #H destruct
| lapply (drop_trans_ge … HLK … HK0 ?) -K
/3 width=9 by snv_lref, drop_inv_gen/
]
| lapply (drop_trans_ge … HLK … HK0 ?) -K
/3 width=9 by snv_lref, drop_inv_gen/
]
elim (lift_inv_bind1 … H) -H #W #U #HVW #HTU #H destruct
/4 width=5 by snv_bind, drop_skip/
elim (lift_inv_bind1 … H) -H #W #U #HVW #HTU #H destruct
/4 width=5 by snv_bind, drop_skip/
-lemma snv_inv_lift: ∀h,g,G,L,U. ⦃G, L⦄ ⊢ U ¡[h, g] → ∀K,s,l,m. ⬇[s, l, m] L ≡ K →
- ∀T. ⬆[l, m] T ≡ U → ⦃G, K⦄ ⊢ T ¡[h, g].
-#h #g #G #L #U #H elim H -G -L -U
-[ #G #L #k #K #s #l #m #_ #X #H
- >(lift_inv_sort2 … H) -X -L -l -m //
-| #I #G #L #L0 #W #i #HL0 #_ #IHW #K #s #l #m #HLK #X #H
+lemma snv_inv_lift: ∀h,o,G,L,U. ⦃G, L⦄ ⊢ U ¡[h, o] → ∀K,c,l,k. ⬇[c, l, k] L ≡ K →
+ ∀T. ⬆[l, k] T ≡ U → ⦃G, K⦄ ⊢ T ¡[h, o].
+#h #o #G #L #U #H elim H -G -L -U
+[ #G #L #s #K #c #l #k #_ #X #H
+ >(lift_inv_sort2 … H) -X -L -l -k //
+| #I #G #L #L0 #W #i #HL0 #_ #IHW #K #c #l #k #HLK #X #H
elim (lift_inv_lref2 … H) * #Hil #H destruct
[ elim (drop_conf_le … HLK … HL0) -L /2 width=2 by ylt_fwd_le/ #X #HK0 #H
elim (drop_inv_skip1 … H) -H /2 width=1 by ylt_to_minus/ -Hil #K0 #V #HLK0 #HVW #H destruct
/3 width=12 by snv_lref/
| lapply (drop_conf_ge … HLK … HL0 ?) -L /3 width=9 by snv_lref/
]
elim (lift_inv_lref2 … H) * #Hil #H destruct
[ elim (drop_conf_le … HLK … HL0) -L /2 width=2 by ylt_fwd_le/ #X #HK0 #H
elim (drop_inv_skip1 … H) -H /2 width=1 by ylt_to_minus/ -Hil #K0 #V #HLK0 #HVW #H destruct
/3 width=12 by snv_lref/
| lapply (drop_conf_ge … HLK … HL0 ?) -L /3 width=9 by snv_lref/
]
elim (lift_inv_bind2 … H) -H #V #T #HVW #HTU #H destruct
/4 width=5 by snv_bind, drop_skip/
elim (lift_inv_bind2 … H) -H #V #T #HVW #HTU #H destruct
/4 width=5 by snv_bind, drop_skip/
elim (lift_inv_flat2 … H) -H #V #T #HVW #HTU #H destruct
elim (scpds_inv_lift1 … HW1 … HLK … HVW) -HW1 #W0 #HW01 #HVW0
elim (scpds_inv_lift1 … HU1 … HLK … HTU) -HU1 #X #H #HTU0
elim (lift_inv_bind2 … H) -H #Y #U0 #HY #HU01 #H destruct
lapply (lift_inj … HY … HW01) -HY #H destruct
/3 width=6 by snv_appl/
elim (lift_inv_flat2 … H) -H #V #T #HVW #HTU #H destruct
elim (scpds_inv_lift1 … HW1 … HLK … HVW) -HW1 #W0 #HW01 #HVW0
elim (scpds_inv_lift1 … HU1 … HLK … HTU) -HU1 #X #H #HTU0
elim (lift_inv_bind2 … H) -H #Y #U0 #HY #HU01 #H destruct
lapply (lift_inj … HY … HW01) -HY #H destruct
/3 width=6 by snv_appl/
elim (lift_inv_flat2 … H) -H #V #T #HVW #HTU #H destruct
elim (scpds_inv_lift1 … HWU1 … HLK … HVW) -HWU1 #U0 #HU01 #HVU0
elim (scpds_inv_lift1 … HU1 … HLK … HTU) -HU1 #X #HX #HTU0
elim (lift_inv_flat2 … H) -H #V #T #HVW #HTU #H destruct
elim (scpds_inv_lift1 … HWU1 … HLK … HVW) -HWU1 #U0 #HU01 #HVU0
elim (scpds_inv_lift1 … HU1 … HLK … HTU) -HU1 #X #HX #HTU0
-lemma snv_fqu_conf: ∀h,g,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐ ⦃G2, L2, T2⦄ →
- ⦃G1, L1⦄ ⊢ T1 ¡[h, g] → ⦃G2, L2⦄ ⊢ T2 ¡[h, g].
-#h #g #G1 #G2 #L1 #L2 #T1 #T2 #H elim H -G1 -G2 -L1 -L2 -T1 -T2
+lemma snv_fqu_conf: ∀h,o,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐ ⦃G2, L2, T2⦄ →
+ ⦃G1, L1⦄ ⊢ T1 ¡[h, o] → ⦃G2, L2⦄ ⊢ T2 ¡[h, o].
+#h #o #G1 #G2 #L1 #L2 #T1 #T2 #H elim H -G1 -G2 -L1 -L2 -T1 -T2
-lemma snv_fquq_conf: ∀h,g,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐⸮ ⦃G2, L2, T2⦄ →
- ⦃G1, L1⦄ ⊢ T1 ¡[h, g] → ⦃G2, L2⦄ ⊢ T2 ¡[h, g].
-#h #g #G1 #G2 #L1 #L2 #T1 #T2 #H elim (fquq_inv_gen … H) -H [|*]
+lemma snv_fquq_conf: ∀h,o,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐⸮ ⦃G2, L2, T2⦄ →
+ ⦃G1, L1⦄ ⊢ T1 ¡[h, o] → ⦃G2, L2⦄ ⊢ T2 ¡[h, o].
+#h #o #G1 #G2 #L1 #L2 #T1 #T2 #H elim (fquq_inv_gen … H) -H [|*]
-lemma snv_fqup_conf: ∀h,g,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐+ ⦃G2, L2, T2⦄ →
- ⦃G1, L1⦄ ⊢ T1 ¡[h, g] → ⦃G2, L2⦄ ⊢ T2 ¡[h, g].
-#h #g #G1 #G2 #L1 #L2 #T1 #T2 #H @(fqup_ind … H) -G2 -L2 -T2
+lemma snv_fqup_conf: ∀h,o,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐+ ⦃G2, L2, T2⦄ →
+ ⦃G1, L1⦄ ⊢ T1 ¡[h, o] → ⦃G2, L2⦄ ⊢ T2 ¡[h, o].
+#h #o #G1 #G2 #L1 #L2 #T1 #T2 #H @(fqup_ind … H) -G2 -L2 -T2
-lemma snv_fqus_conf: ∀h,g,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐* ⦃G2, L2, T2⦄ →
- ⦃G1, L1⦄ ⊢ T1 ¡[h, g] → ⦃G2, L2⦄ ⊢ T2 ¡[h, g].
-#h #g #G1 #G2 #L1 #L2 #T1 #T2 #H elim (fqus_inv_gen … H) -H [|*]
+lemma snv_fqus_conf: ∀h,o,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐* ⦃G2, L2, T2⦄ →
+ ⦃G1, L1⦄ ⊢ T1 ¡[h, o] → ⦃G2, L2⦄ ⊢ T2 ¡[h, o].
+#h #o #G1 #G2 #L1 #L2 #T1 #T2 #H elim (fqus_inv_gen … H) -H [|*]