- â\88\80f,T1,T2. â¬\86*[f] T1 â\89\98 T2 â\86\92 â\88\80m. ð\9d\90\81â\9d´m,1â\9dµ = f →
- ∀gv,lv,d. ⟦T1⟧[gv, lv] ≗{M} ⟦T2⟧[gv, ⫯[m←d]lv].
+ â\88\80f,T1,T2. â\87§*[f] T1 â\89\98 T2 â\86\92 â\88\80m. ð\9d\90\9bâ\9d¨m,1â\9d© = f →
+ ∀gv,lv,d. ⟦T1⟧[gv,lv] ≗{M} ⟦T2⟧[gv,⫯[m←d]lv].