(* Properties with generic slicing ******************************************)
-lemma cnx_lref_atom: â\88\80h,G,L,i. â\87©*[i] L â\89\98 â\8b\86 â\86\92 â¦\83G,Lâ¦\84 â\8a¢ â¬\88[h] ð\9d\90\8dâ¦\83#iâ¦\84.
+lemma cnx_lref_atom: â\88\80h,G,L,i. â\87©*[i] L â\89\98 â\8b\86 â\86\92 â\9dªG,Lâ\9d« â\8a¢ â¬\88[h] ð\9d\90\8dâ\9dª#iâ\9d«.
#h #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,I,G,L,K,i. ⇩*[i] L ≘ K.ⓤ{I} → ⦃G,L⦄ ⊢ ⬈[h] 𝐍⦃#i⦄.
+lemma cnx_lref_unit: ∀h,I,G,L,K,i. ⇩*[i] L ≘ K.ⓤ[I] → ❪G,L❫ ⊢ ⬈[h] 𝐍❪#i❫.
#h #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.
(* Inversion lemmas with generic slicing ************************************)
(* Basic_2A1: was: cnx_inv_delta *)
-lemma cnx_inv_lref_pair: ∀h,I,G,L,K,V,i. ⇩*[i] L ≘ K.ⓑ{I}V → ⦃G,L⦄ ⊢ ⬈[h] 𝐍⦃#i⦄ → ⊥.
+lemma cnx_inv_lref_pair: ∀h,I,G,L,K,V,i. ⇩*[i] L ≘ K.ⓑ[I]V → ❪G,L❫ ⊢ ⬈[h] 𝐍❪#i❫ → ⊥.
#h #I #G #L #K #V #i #HLK #H
-elim (lifts_total V (ð\9d\90\94â\9d´â\86\91iâ\9dµ)) #W #HVW
+elim (lifts_total V (ð\9d\90\94â\9d¨â\86\91iâ\9d©)) #W #HVW
lapply (H W ?) -H /2 width=7 by cpx_delta_drops/ -HLK
#H lapply (teqx_inv_lref1 … H) -H #H destruct
/2 width=5 by lifts_inv_lref2_uni_lt/