- (â\88\80G1,L1,T1,A. â¦\83G1,L1â¦\84 ⊢ T1 ⁝ A →
- (â\88\80G2,L2,T2. â¦\83G1,L1,T1â¦\84 â\89»[h] â¦\83G2,L2,T2â¦\84 → Q G2 L2 T2) →
+ (â\88\80G1,L1,T1,A. â\9dªG1,L1â\9d« ⊢ T1 ⁝ A →
+ (â\88\80G2,L2,T2. â\9dªG1,L1,T1â\9d« â\89»[h] â\9dªG2,L2,T2â\9d« → Q G2 L2 T2) →