- â\88\80T1,U0. â¦\83G,Lâ¦\84 â\8a¢ T1 :[h,a] U0 â\86\92 â\88\80T2. â¦\83G,Lâ¦\84 â\8a¢ T1 â\9e¡*[h] T2 →
- â\88\80U. â¦\83G,Lâ¦\84 â\8a¢ T2 :[h,a] U â\86\92 â¦\83G,Lâ¦\84 ⊢ T1 :[h,a] U.
+ â\88\80T1,U0. â\9d¨G,Lâ\9d© â\8a¢ T1 :[h,a] U0 â\86\92 â\88\80T2. â\9d¨G,Lâ\9d© â\8a¢ T1 â\9e¡*[h,0] T2 →
+ â\88\80U. â\9d¨G,Lâ\9d© â\8a¢ T2 :[h,a] U â\86\92 â\9d¨G,Lâ\9d© ⊢ T1 :[h,a] U.