- â\88\80T0. â¦\83G,Lâ¦\84 ⊢ T0 ![h,a] →
- â\88\80n1,T1. â¦\83G,Lâ¦\84 ⊢ T0 ➡*𝐍𝐖*[h,n1] T1 →
- â\88\80n2,T2. â¦\83G,Lâ¦\84 ⊢ T0 ➡*𝐍𝐖*[h,n2] T2 →
- â\88§â\88§ â¦\83G,Lâ¦\84 â\8a¢ T1 â¬\8c*[h,n2-n1,n1-n2] T2 & T1 â\89\85 T2.
+ â\88\80T0. â\9dªG,Lâ\9d« ⊢ T0 ![h,a] →
+ â\88\80n1,T1. â\9dªG,Lâ\9d« ⊢ T0 ➡*𝐍𝐖*[h,n1] T1 →
+ â\88\80n2,T2. â\9dªG,Lâ\9d« ⊢ T0 ➡*𝐍𝐖*[h,n2] T2 →
+ â\88§â\88§ â\9dªG,Lâ\9d« â\8a¢ T1 â¬\8c*[h,n2-n1,n1-n2] T2 & T1 â\89\83 T2.