- â\88\80G,L1,T,A. â¦\83G,L1â¦\84 â\8a¢ T â\81\9d A â\86\92 â\88\80b,f,L0. â¬\87*[b,f] L0 ≘ L1 →
- â\88\80T0. â¬\86*[f] T ≘ T0 → ∀L2. G ⊢ L2 ⫃[RP] L0 →
+ â\88\80G,L1,T,A. â¦\83G,L1â¦\84 â\8a¢ T â\81\9d A â\86\92 â\88\80b,f,L0. â\87©*[b,f] L0 ≘ L1 →
+ â\88\80T0. â\87§*[f] T ≘ T0 → ∀L2. G ⊢ L2 ⫃[RP] L0 →