(* *)
(**************************************************************************)
-include "basic_2/relocation/lifts_tdeq.ma".
+include "static_2/relocation/lifts_tdeq.ma".
include "basic_2/rt_transition/cpx_drops.ma".
include "basic_2/rt_transition/cnx.ma".
-(* NORMAL TERMS FOR UNCOUNTED CONTEXT-SENSITIVE PARALLEL RT-TRANSITION ******)
+(* NORMAL TERMS FOR UNBOUND CONTEXT-SENSITIVE PARALLEL RT-TRANSITION ********)
(* Properties with generic slicing ******************************************)
-lemma cnx_lref_atom: â\88\80h,o,G,L,i. â¬\87*[i] L â\89¡ ⋆ → ⦃G, L⦄ ⊢ ⬈[h, o] 𝐍⦃#i⦄.
+lemma cnx_lref_atom: â\88\80h,o,G,L,i. â¬\87*[i] L â\89\98 ⋆ → ⦃G, L⦄ ⊢ ⬈[h, o] 𝐍⦃#i⦄.
#h #o #G #L #i #Hi #X #H elim (cpx_inv_lref1_drops … H) -H // *
#I #K #V1 #V2 #HLK lapply (drops_mono … Hi … HLK) -L #H destruct
qed.
+lemma cnx_lref_unit: ∀h,o,I,G,L,K,i. ⬇*[i] L ≘ K.ⓤ{I} → ⦃G, L⦄ ⊢ ⬈[h, o] 𝐍⦃#i⦄.
+#h #o #I #G #L #K #i #HLK #X #H elim (cpx_inv_lref1_drops … H) -H // *
+#Z #Y #V1 #V2 #HLY lapply (drops_mono … HLK … HLY) -L #H destruct
+qed.
+
(* Basic_2A1: includes: cnx_lift *)
lemma cnx_lifts: ∀h,o,G. d_liftable1 … (cnx h o G).
#h #o #G #K #T #HT #b #f #L #HLK #U #HTU #U0 #H
-elim (cpx_inv_lifts … H … HLK … HTU) -b -L #T0 #HTU0 #HT0
-lapply (HT … HT0) -G -K #HT0
-elim (tdeq_lifts … HT0 … HTU) -T #X #HX #HU
-<(lifts_mono … HX … HTU0) -T0 //
+elim (cpx_inv_lifts_sn … H … HLK … HTU) -b -L #T0 #HTU0 #HT0
+lapply (HT … HT0) -G -K /2 width=6 by tdeq_lifts_bi/
qed-.
(* Inversion lemmas with generic slicing ************************************)
(* Basic_2A1: was: cnx_inv_delta *)
-lemma cnx_inv_lref_pair: â\88\80h,o,I,G,L,K,V,i. â¬\87*[i] L â\89¡ K.ⓑ{I}V → ⦃G, L⦄ ⊢ ⬈[h, o] 𝐍⦃#i⦄ → ⊥.
+lemma cnx_inv_lref_pair: â\88\80h,o,I,G,L,K,V,i. â¬\87*[i] L â\89\98 K.ⓑ{I}V → ⦃G, L⦄ ⊢ ⬈[h, o] 𝐍⦃#i⦄ → ⊥.
#h #o #I #G #L #K #V #i #HLK #H
-elim (lifts_total V (ð\9d\90\94â\9d´â«¯i❵)) #W #HVW
+elim (lifts_total V (ð\9d\90\94â\9d´â\86\91i❵)) #W #HVW
lapply (H W ?) -H /2 width=7 by cpx_delta_drops/ -HLK
#H lapply (tdeq_inv_lref1 … H) -H #H destruct
/2 width=5 by lifts_inv_lref2_uni_lt/
(* Basic_2A1: includes: cnx_inv_lift *)
lemma cnx_inv_lifts: ∀h,o,G. d_deliftable1 … (cnx h o G).
#h #o #G #L #U #HU #b #f #K #HLK #T #HTU #T0 #H
-elim (cpx_lifts … H … HLK … HTU) -b -K #U0 #HTU0 #HU0
-lapply (HU … HU0) -G -L #HU0
-elim (tdeq_inv_lifts … HU0 … HTU) -U #X #HX #HT
-<(lifts_inj … HX … HTU0) -U0 //
+elim (cpx_lifts_sn … H … HLK … HTU) -b -K #U0 #HTU0 #HU0
+lapply (HU … HU0) -G -L /2 width=6 by tdeq_inv_lifts_bi/
qed-.