-lemma lpr_inv_pair (h) (G): â\88\80I1,I2,L1,L2,V1,V2. â¦\83G,L1.â\93\91{I1}V1â¦\84 â\8a¢ â\9e¡[h] L2.â\93\91{I2}V2 →
- â\88§â\88§ â¦\83G,L1â¦\84 â\8a¢ â\9e¡[h] L2 & â¦\83G,L1â¦\84 ⊢ V1 ➡[h] V2 & I1 = I2.
+lemma lpr_inv_pair (h) (G): â\88\80I1,I2,L1,L2,V1,V2. â\9dªG,L1.â\93\91[I1]V1â\9d« â\8a¢ â\9e¡[h] L2.â\93\91[I2]V2 →
+ â\88§â\88§ â\9dªG,L1â\9d« â\8a¢ â\9e¡[h] L2 & â\9dªG,L1â\9d« ⊢ V1 ➡[h] V2 & I1 = I2.