-lemma snv_inv_lift: â\88\80h,g,G,L,U. â¦\83G, Lâ¦\84 â\8a¢ U ¡[h, g] â\86\92 â\88\80K,s,d,e. â\87©[s, d, e] L ≡ K →
- â\88\80T. â\87§[d, e] T ≡ U → ⦃G, K⦄ ⊢ T ¡[h, g].
+lemma snv_inv_lift: â\88\80h,g,G,L,U. â¦\83G, Lâ¦\84 â\8a¢ U ¡[h, g] â\86\92 â\88\80K,s,d,e. â¬\87[s, d, e] L ≡ K →
+ â\88\80T. â¬\86[d, e] T ≡ U → ⦃G, K⦄ ⊢ T ¡[h, g].