-lemma ltps_inv_tps12: â\88\80L1,K2,I,V2,d,e. L1 [d, e] â\89« K2. 𝕓{I} V2 → 0 < d →
- â\88\83â\88\83K1,V1. K1 [d - 1, e] â\89« K2 &
- K2 â\8a¢ V1 [d - 1, e] â\89« V2 &
+lemma ltps_inv_tps12: â\88\80L1,K2,I,V2,d,e. L1 [d, e] â\96¶ K2. 𝕓{I} V2 → 0 < d →
+ â\88\83â\88\83K1,V1. K1 [d - 1, e] â\96¶ K2 &
+ K2 â\8a¢ V1 [d - 1, e] â\96¶ V2 &