- ) â\86\92 (â\88\80G,L,V,T1,T,T2. â¦\83G, L.â\93\93Vâ¦\84 â\8a¢ T1 â\9e¡[h] T â\86\92 Q G (L.â\93\93V) T1 T →
- ⬆*[1] T2 ≘ T → Q G L (+ⓓV.T1) T2
- ) → (∀G,L,V,T1,T2. ⦃G, L⦄ ⊢ T1 ➡[h] T2 → Q G L T1 T2 →
+ ) â\86\92 (â\88\80G,L,V,T1,T,T2. â¬\86*[1] T â\89\98 T1 â\86\92 â¦\83G,Lâ¦\84 â\8a¢ T â\9e¡[h] T2 →
+ Q G L T T2 → Q G L (+ⓓV.T1) T2
+ ) → (∀G,L,V,T1,T2. ⦃G,L⦄ ⊢ T1 ➡[h] T2 → Q G L T1 T2 →