-lemma cpg_inv_atom1_drops: â\88\80Rt,c,h,I,G,L,T2. â¦\83G, Lâ¦\84 â\8a¢ â\93ª{I} â¬\88[Rt, c, h] T2 →
- ∨∨ T2 = ⓪{I} ∧ c = 𝟘𝟘
- | ∃∃s. T2 = ⋆(next h s) & I = Sort s & c = 𝟘𝟙
- | â\88\83â\88\83cV,i,K,V,V2. â¬\87*[i] L â\89¡ K.â\93\93V & â¦\83G, Kâ¦\84 â\8a¢ V â¬\88[Rt, cV, h] V2 &
- â¬\86*[⫯i] V2 â\89¡ T2 & I = LRef i & c = cV
- | â\88\83â\88\83cV,i,K,V,V2. â¬\87*[i] L â\89¡ K.â\93\9bV & â¦\83G, Kâ¦\84 â\8a¢ V â¬\88[Rt, cV, h] V2 &
- â¬\86*[⫯i] V2 â\89¡ T2 & I = LRef i & c = cV + 𝟘𝟙.
+lemma cpg_inv_atom1_drops: â\88\80Rt,c,h,I,G,L,T2. â\9dªG,Lâ\9d« â\8a¢ â\93ª[I] â¬\88[Rt,c,h] T2 →
+ ∨∨ T2 = ⓪[I] ∧ c = 𝟘𝟘
+ | ∃∃s. T2 = ⋆(⫯[h]s) & I = Sort s & c = 𝟘𝟙
+ | â\88\83â\88\83cV,i,K,V,V2. â\87©*[i] L â\89\98 K.â\93\93V & â\9dªG,Kâ\9d« â\8a¢ V â¬\88[Rt,cV,h] V2 &
+ â\87§*[â\86\91i] V2 â\89\98 T2 & I = LRef i & c = cV
+ | â\88\83â\88\83cV,i,K,V,V2. â\87©*[i] L â\89\98 K.â\93\9bV & â\9dªG,Kâ\9d« â\8a¢ V â¬\88[Rt,cV,h] V2 &
+ â\87§*[â\86\91i] V2 â\89\98 T2 & I = LRef i & c = cV + 𝟘𝟙.